Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 402166: Simplify:
2^n+1 (x+3)^n
---------------------
2^n (x+3)^n-1

Click here to see answer by sofiyac(983)

Question 402162: Kindly answer this word problem:
Alex can do a piece of work in 20 days; Allen can do it in 24 days. After the two have been working together in 7 days, they are joined by Andy and the three finish the job in 3 more days. How long will it take Andy to do the job alone?

Click here to see answer by nerdybill(7384)

Question 402198: Factor completely:
20z^+100ag+125g^
please assist....algebra is so confusing..was when I was in high school..now am in college at age 44 and am lost!!
Thanks in advance,
Kathy
Click here to see answer by sofiyac(983)

Question 402188: I need help w/ this one...please
use rational exponents to simplify
5sqrt x^15
Click here to see answer by sofiyac(983)

Question 402188: I need help w/ this one...please
use rational exponents to simplify
5sqrt x^15
Click here to see answer by ewatrrr(24785)

Question 402206: I really need your assistance w/ this one!!! As follows:
Identify the degrees of each term of the polynomial and the degree of each polynomial
-7x^3+9x+5x+4
degree of first term is??....
degree of 2nd term is??
degree of 3rd term is??
degree of 4th is..
degree of polynomial is??
Click here to see answer by ewatrrr(24785)

Question 402215: What is the correct set up for this problem and how do I arrive at answer of a = -1/3.
5a + 1/4a + 6 = 3/4
I figured the LCD to be 2(2a + 3)
2(2a + 3)* 5a + 1/2(2a + 3) = 2(2a + 3)*3/4
= 5a + 1 = 2a + 3 * 3/2 (This is where I am having problem in solving this problem.
Click here to see answer by nerdybill(7384)

Question 402250: The larger of two printers being used to print the payroll for a major corporation requires 40 min to print the payroll. After both printers have been operating for 10 min, the larger printer malfunctions. The smaller printer requires 50 more min to complete the payroll. How long would it take the smaller printer, working alone, to print the payroll?
Click here to see answer by ankor@dixie-net.com(22740)

Question 402263: I am having trouble factoring the following: 9u^2-9u+2=0
Thank you for your help!
Click here to see answer by solver91311(24713)

Question 402288: I am working on dividing polynomials by monomials. I usually don't have trouble on these but this is one I'm really stumped on. Ok, the question is .....
(tr-r)/(r)
Please help!!!
Click here to see answer by sofiyac(983)

Question 402283:
Click here to see answer by Edwin McCravy(20054)

Question 402258: 3)can you show me the steps on how to simplify
1.a+(3a-2b)-(4a-3b)
2.4x-(6x-2y)+(2x-7y)
3.7a+[4a-6b-(8a+2b)]
4.3x+[2x+3y-(4x-7y)]
5.(2a-5)+(3a-1)-(4a+2)
6.(3y-2)-(6y+4)+(8y+2)
Click here to see answer by rfer(16322)

Question 402335: Hi, can you please help me?
I need to solve the following equation:
t^4-3t^3-40t^2=0

Can you please show me how to do it?
thank you so much!
Click here to see answer by scott8148(6628)

Question 402351: simplify this expression. (-5)-2
Click here to see answer by sofiyac(983)

Question 402339: I need help with simplifying expressions.-(2.57)0
Click here to see answer by rfer(16322)

Question 402330: what is the square root of 1255? and 2x + 40-05x equals what
Click here to see answer by Alan3354(69443)

Question 402404: I am a bit lost about this,
Find the product
(x+3)^2
Click here to see answer by Tatiana_Stebko(1539)

Question 402402: Is there anyone that can help out with this, Please?
Find the product
-7z(-8z^3+3z^2+8)
Click here to see answer by checkley79(3341)

Question 402383: factor 2t^2 + 7t + 3
Click here to see answer by checkley79(3341)

Question 402383: factor 2t^2 + 7t + 3
Click here to see answer by scott8148(6628)

Question 402451: Please assist in factoring completely:
3p +2p-5
Click here to see answer by rfer(16322)

Question 402460: How do I factor completely:
9x +3x-2
Click here to see answer by rfer(16322)

Question 402513: how do you answer 64-20b+bsquared
Click here to see answer by Alan3354(69443)

Question 402567: I have to write a polynomial function in factored form with the given zeros.
-3 mult.2, 0 mult.2, -1. I would write my attempt but I got it wrong.
Click here to see answer by stanbon(75887)

Question 402544: Which numbers cannot be used in place of the variable?

2y+1/y^2-y-6
Click here to see answer by robertb(5830)

Question 402688: SIMPLIFY:
x^2 + 2x
---------------
2x^-4 + x^-3
That is x squared plus 2x over 2x exponent -4 plus x exponent -3
Click here to see answer by mananth(16946)

Question 402701: waht is the answer to 7n+2 =?
Click here to see answer by sofiyac(983)

Question 402718: 1) For what values of the variable x is the rational
expression undefined: 3/(x - 5)
2) For what values of the variable x is the rational
expression undefined: 8/(x + 2)
Please i need your help ASAP! thankyou so much
Click here to see answer by stanbon(75887)

Question 402717: Solve the proportion: 4/(x+1) = 3/(x+2)
Solve the proportion: x/(x+3) = (x-2)/x
Solve the proportion: 5/x = 8/15
Please i need your help ASAP! thankyou so much
Click here to see answer by sofiyac(983)

Question 402735: I am looking for help on this problem...
Find the product and show your work
(y-7)^2
Click here to see answer by stanbon(75887)

Question 402735: I am looking for help on this problem...
Find the product and show your work
(y-7)^2
Click here to see answer by Alan3354(69443)

Question 402738: I am needing help on this problem... Please
Find the quotient and show all work.
x^2-25/x+5

Click here to see answer by stanbon(75887)

Question 402739: Can someone please help me with this problem?
Find the quotient and show all work.
36x^2-49y^2/6x+7y

Click here to see answer by stanbon(75887)

Question 402737: I am needing help on this problem... Please
Find the product and show all work.
(y^2+9y-7)(y+8)

Click here to see answer by Alan3354(69443)

Question 402743: I am looking for help on this problem...
Find the product and show all work:
(y^2+9y-7)(y+8)
Click here to see answer by Alan3354(69443)

Question 402757: 1) Solve the equation: 3/(x+1) - 1/x = 1/2
2) Solve the equation: 2/5 - 3/x = 1/(5x)
3) Solve the equation: x/4 = 7/2
4) Simplify the expression: 3/x + 2/x2
PLEASE I NEED YOUR HELP ASAP! THANKYOU SO MUCH !!!
Click here to see answer by sofiyac(983)

Question 402758: Divide 15x^2 + 10x - 5 by 5x (divide numerator and denominator by 5) =
3x^2 + 2x - 1/ x
Divide x^2 + 3x - 18 by x - 3 = (x+6)(x-3)/(x-3)= x + 6 You have to factor x^2 + 3x - 18
PLEASE! i need your help asap! thankyou so muuuch!!!!
Click here to see answer by Leshan(1)

Question 402750: I am having trouble with this problem...
I am not sure how to start or what to mulitiply.
Find the product and show work.
(y^2+9y-7)(y+8)

Click here to see answer by Alan3354(69443)

Question 402761: (6x^2+7y-20) how do I factor?
Click here to see answer by sofiyac(983)

Question 402795: I am a little rusty with algebra and was provided a study guide for an upcoming algebra test for an entrance exam. I need it solved so that I might gain an understanding as to how I am supposed to solve similar problems.
"Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x?
A. -6 x^2 + 25x +6
B. 6 x^2 + 5x +6
C. 6 x^2 - 5x + 6
D. 6 x^2 - 5x - 6
E. 6 x^2 - 13x - 6 "
Thank you in advance!
Click here to see answer by Alan3354(69443)

Question 402814: 4. Determine all the roots of P(x) = 3x^5+5x^4+10x^3+14x^2+3x-3
5. Determine a polynomial P(x) with real coefficients and of degree 5 for which three of its roots are x = −1, x = 1 + 2i and x = −3i.
Click here to see answer by jsmallt9(3758)

Question 402933: Good afternoon,.My problem is x3y2-3x2y2+6xy2-18y2 factor the expression completely this is what wrote;
x3y2-3x2y2+6xy2-18y2=x(x2y2-3xy2)+6(xy2-3y2) this is as far as i got than i got confused the book suggest to use a -1 so that a common binomial factor can appear.
Click here to see answer by scott8148(6628)

Question 403036: 7y to the third power minus 28y equals 0
Click here to see answer by jsmallt9(3758)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105