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

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

Question 29907: If one-half a number is subtracted from five-sixths of the number, the difference is 6. Find the number.

Help. Thank you.
Click here to see answer by Cintchr(481)

Question 29907: If one-half a number is subtracted from five-sixths of the number, the difference is 6. Find the number.

Help. Thank you.
Click here to see answer by Earlsdon(6294)

Question 29907: If one-half a number is subtracted from five-sixths of the number, the difference is 6. Find the number.

Help. Thank you.
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29901: Multiply.
-3a^2b/35a^5 x 14a^3b^2/-9b^4
Please help.
Thank you
Click here to see answer by Cintchr(481)

Question 29901: Multiply.
-3a^2b/35a^5 x 14a^3b^2/-9b^4
Please help.
Thank you
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29920: Please solve for x:
2x^2=7x-3
and
x^2-5cx+6c^2=0
Click here to see answer by z_2007(1)

Question 28983: Divide the following fractions.
6p - 18 3p - 9
_______ divided by _________
9p p^2 + 2p
Please help me. Thank you.

Click here to see answer by sdmmadam@yahoo.com(530)

Question 29533: Science and medicine. Fungicides account for 1/10 of the pesticides used in the United States. Insecticides account for 1/4 of all the pesticides used in the United States. The ratio of fungicides to insecticides used in the United States can be written 1/10 divided by 1/4. Write this ratio in simplest form.
Please help.
Thank you.
Click here to see answer by josmiceli(19441)

Question 29700: please explain this to me
x to the 2nd power + 16y to the 8th power
what if the power is negative
what if there are parenthesis involved in the problem
Click here to see answer by elima(1433)

Question 30006: How do u factor polynomials such as;
(6m cubed multiplied by n cubed)+(3m cubed multiplied by n squared)+(m squared multiplied by n squared)
Click here to see answer by Cintchr(481)

Question 29949: These can be so confusing! Please help.
Find the product.
(8x - 1)(x^2 - 2x + 1)
(5x - 2)^2
Thank you
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30012: x^5 y^2(2x^3+4x^3 y^4+4y^3)
Click here to see answer by Cintchr(481)

Question 30057: c^2d^2(d^2+3d-7)
Click here to see answer by Cintchr(481)

Question 30020: Someone please help me solve these problems. Thanks!
1. Geometry. The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle.
Find all positive values for k for which each of the following can be factored.
2. x^2+x-5
Determine whether the following trinomials is a perfect square. If it is, factor the trinomial.
3. x^2-24x+48

Rewrite the middle term as the sum of two terms and then factor completely.
4. 12w^2+19w+4

Click here to see answer by sdmmadam@yahoo.com(530)

Question 29988: Hello,
Is this correct?
50a^14b^-3/10a^7b^-9c^7=5a^7b^6/c^7
Click here to see answer by askmemath(368)

Question 30072: Please assist me in solving this problem. I think I am suppose to group like terms, but I am really confused.
(5x^6 - 6x^5 - 9x^4 - 2) - (7x^6 + 4x^5 - 3x^4 - 3)

since the second term is preceeded by a negative, change all the signs in the second quantity and drop the parenthesis
combine x^6
combine x^5
combine x^4
combine constants
since there is no = , this is a simpliflying problem
Click here to see answer by josmiceli(19441)

Question 30185: i would like some help with this promblem cause i keep getting lost in it
i need to simplify 13x^5/ 6x^2
_____________
12x^3/ 4x^6
Click here to see answer by ikdeep(226)

Question 30210: p-2/3 +p/4 =1/2
4p-8/12 + 3p/12 =6
7p-2/3=6
lost, lost lost
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30217: Explain why x to the 4th+2xsquared+4 has no real root while every polynomial function of degree 3 has at least 1 real root
Click here to see answer by Fermat(136)

Question 30217: Explain why x to the 4th+2xsquared+4 has no real root while every polynomial function of degree 3 has at least 1 real root
Click here to see answer by venugopalramana(3286)

Question 30220: Please help me solve this problem.
Word for word quoted from the text:
Solve the following literal equation for y

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30299: i need help solving this polynomial 12-27n2=0 (the 2 after n means its squared)
Click here to see answer by checkley71(8403)

Question 30311: I am asked to simplify: when I did the problem I am not coming out with the answer in the text:
(3a^-5 b^2)0
----------
(12a^3 b^-4)
3a to the negative 5th power b to the 2nd power DIVIDED by 12a to the 3rd power and b to the 4th power . The entire problem is in parent.raised to the 0 power.
Thank you

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30317: 32x(to the second power)y(to the 2 power)+16x(to the second power)y+8x(to the second power)y(to the second power) / 8xy
Click here to see answer by Earlsdon(6294)

Question 30315: I am asked to simplify:
25a^13 b^4
-------------
-5a^2 b^3
25a raised to the 13th power/ b raised to the 4th power DIVIDED by negative 5a raised to the 2 power /b raised to the 3rd power
Thank you

Click here to see answer by Cintchr(481)

Question 30314: I am asked to simplify:
2(x+h)^2 - 2x^2
---------------- =
h
Thank you

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30271: Can you help me divide the rational expression.
a^2+2a+1/3 divided by a^2-1/a

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30245:

Can you please tell me the answer to this?

thanks
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30236: Please help me. Solve the following literal eqaution for x.

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30341: Which of the following is a factor of the polynomial x^2 - x - 20?
A) x-5
B) x-4
C) x+2
D) x+5
E) x+10
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30341: Which of the following is a factor of the polynomial x^2 - x - 20?
A) x-5
B) x-4
C) x+2
D) x+5
E) x+10
Click here to see answer by venugopalramana(3286)

Question 30345: hi can anybody plzzzzzzz help me ..it really urgent
9y^8+2xw(8x-5y)=3y^2(9w+3y^6)+xyw
thanks
Click here to see answer by Cintchr(481)

Question 30289: 12x(squared)+23-24=0
Click here to see answer by Fermat(136)

Question 30346: x+3/5= x+1/x-3 This ia a rational fraction and i cant seem to find the right answer is there anyway you could help me.! Please and thank you
Click here to see answer by Fermat(136)

Question 30372: 4(1-3x)+7x=9
Click here to see answer by checkley71(8403)

Question 30373: 4(1-3x)+7x=9
Click here to see answer by piglet162431(90)

Question 30429: This is the closest section from what I saw to what we are learning. We are factoring trinomials of the type ax^2 + bx + c . This is the problem:

108g^2h - 162gh + 54h

Thank you in advance!!!
Click here to see answer by checkley71(8403)

Question 30435: Please explain how to factor the following problem by grouping to solve the equation. x^3+3x^2-4x-12=0
Click here to see answer by venugopalramana(3286)

Question 30432: 10/(x-7) - 10/(x+7) =
Would answer be zero?
Click here to see answer by ikdeep(226)

Question 30421: 4/x-2=1+6/x+2
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30347: 2= 3/x-1/x^2 I cant find the restrictions in this problem or the least common faction if you could get that for me then i caould do the rest.
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30453: 13/a^2-3a-10 = 2/a+2 + 4/a-5
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30387: I have simplified the problem from (x^3+3x^2-7x)-(-4x^2+5x-8) to x^3+(3x^2+4x^2)+(-7x-5x)+8 .(sorry, I don't know how to type exponents) is this correct so far? and also, what would I do with the x cubed? can I combine it with the 3x squared and the 4x squared to make 7x to the 5th power? PLEASE help!
thanks,
Bethany M.
Click here to see answer by longjonsilver(2297)

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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, 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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