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

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

Question 311201: Factor Completely: 25x^2-16
Click here to see answer by nyc_function(2733)

Question 311239: please solve
(14-19)^5 * (4+(-12))^3 + 125/25
Click here to see answer by mananth(12270)

Question 311242: Please solve
(3x 7) + (x^2 4x + 6)
Click here to see answer by mananth(12270)

Question 311190: find the quotient for (14y+8y^2+y^3+12)÷(6+y)
Click here to see answer by Fombitz(13828)

Question 311307: Under what situation would one or more solutions of a rational equation be unacceptable?

Click here to see answer by fractalier(2101)

Question 311313: Solve x^2 - 2x = 24 by factoring.
Click here to see answer by fractalier(2101)

Question 311323: State the number of positive real zeros, negative real zeros, and imaginary zeros for g(x)= 9x^3 - 7x^2 + 10x - 4.

I don't know if i'm put this in the correct category.
Click here to see answer by Fombitz(13828)

Question 311318: Factor: x^3 + x^2 - 22x - 40
Click here to see answer by fractalier(2101)

Question 311237: please solve solve
((-2)^2 - 1)^2 + 8*2

Click here to see answer by fractalier(2101)

Question 311328: find f(a), f(a+h), and f(a+h)-f(a)/h for f(x)=x^2+4x-2
Click here to see answer by Fombitz(13828)

Question 311326: find f(a+h)-f(a)/h for f(x)=x^2+3x+1
Click here to see answer by JBarnum(2044)

Question 311326: find f(a+h)-f(a)/h for f(x)=x^2+3x+1
Click here to see answer by solver91311(16872)

Question 311324: If f(x)=x^2+3x+1 and g(x)=2x+5, then what does f/g (x) equal?
Click here to see answer by JBarnum(2044)

Question 311327: find the average rate of change of f(x)=x^2-4x+2 between x=-1 and x=3
Click here to see answer by fractalier(2101)

Question 311325: if f(x)=x^2+3x+1 and g(x)=2x+5, the what does (f+g)(3)-(f/g)(4) equal?
Click here to see answer by Fombitz(13828)

Question 311422: x-2
____
8x^2-32 How do i factor this
Click here to see answer by vleith(2825)

Question 311103: Solve 8x^2 + 2x - 3 = 0 Reduce fractions to lowest terms.
a) x = 3/4 or x = -3/4
b) x = 2 or x = -3
c) x = 1/2 or x = -3/4
d) x = 3/4 or x = -1/2

Click here to see answer by Miceandwine(15)

Question 311497: Solve
15x^4-28x^2+5=0
Click here to see answer by Alan3354(30993)

Question 311500: Divide
(42b^3+23b^2+32b+41) divided by (6b+5)
not sure which is the ans. if at all correct.. i am so confused
7b^2-2b-7-6/6b+5 or 7b^2-2b+7+6/6b+5
Click here to see answer by PRMath(123)

Question 311524: Please help me solve equation
h2-9hs+9s2
Click here to see answer by Alan3354(30993)

Question 311589: Find a polynomial for the perimeter and area but do not factor. A square is pictured with y+3 on top and y on side.
The perimeter=
The area=
Click here to see answer by stanbon(57290)

Question 311590: How do I simplify (x^-7y^11z^14)^-2.
Click here to see answer by checkley77(12569)

Question 311608: When all of the grocery carts escape from the supermarket, it takes Reginald 12 minutes to round them up and bring them back. Because Norman doesn’t make as much as Reginald, it takes Norman 18 minutes to do the same job. How long would it take them working together to complete the roundup?
Click here to see answer by mananth(12270)

Question 311620: A side of a cube measures 2x^2. write a simplified expression for the volume of the cube.
Click here to see answer by mananth(12270)

Question 311628: Find two positive real numbers that differ by 2 and have a product of 10.
Click here to see answer by checkley77(12569)

Question 311647: A boxing ring is in the shape of a square, 20 feet on each side. How far apart are the fighters when they are in opposite corners of the ring?
Click here to see answer by stanbon(57290)

Question 311664: A rancher in Dallas decides to build a silo inside his corral. The rectangular corral measures 25 m by 15 m and the silo's base is circular with a diameter of 2x meters. Find a polynomial for the remaining area of the corral (in square meters) after the silo is built.

Click here to see answer by mananth(12270)

Question 311634: Can you please help with this rational equation? It would be greatly appreciated.
x/x-2=1/2-x+2/x
I used the LCD, 2x(x-2) but am arriving at a quadratic equation that results in an imaginary number, which according to my answer key is not correct. Thank you for your assistance.
Tina
Click here to see answer by mananth(12270)

Question 311889: solve by substitution 3x+y= -3
y=x+5
Click here to see answer by stanbon(57290)

Question 311845: x/6 + 2x/3=5
Click here to see answer by checkley77(12569)

Question 311918: Simplify this rational expression.
x^-3-x/x^-2-1
Thank you
Click here to see answer by stanbon(57290)

Question 311861: not sure what im suposto look for for the type but the qustion is:
Joe wants to inhalf the helium in a spherical balloon because it makes his voice sound funny.If the diameter of the balloon is 8 inches, how much helium is in it?(round to the nearest cubic inch) not sure how to do this so if you could please help me. thank you.
Click here to see answer by scott8148(6628)

Question 311954: Facto: 30z^2 - 87z + 30
Click here to see answer by mollukutti(30)

Question 312021: What are the terms and coefficients in a polynomial?
Click here to see answer by Fombitz(13828)

Question 311953: Facto: 2x^3 - 3x^2 - 5x
Click here to see answer by Fombitz(13828)

Question 311987: (8x^3y^2Z^2)*3x^2
------------------(over)
y^3 z^4
simplify
Click here to see answer by Fombitz(13828)

Question 311951: Facto: 11a^2 - 54 -5
Click here to see answer by Fombitz(13828)

Question 312066: 0.57060=y+(q^2)/2gy^2))
where q=0.4
g=9.81
need help finding y and the second root of y
Click here to see answer by Fombitz(13828)

Question 312162: Find all numbers for which the rational expression is undefined. Thank you for your help.
2/8x+1

Click here to see answer by JBarnum(2044)

Question 312203: I need help with this question. Please help me.

Add:
5/x+4 + 40/x^2-16

Click here to see answer by checkley77(12569)

Question 312205: A bath can be filled by the cold water faucet in 10 minutes and by the hot water faucet 12 minutes. How long does it take to fill the tub if both faucets are open?
Click here to see answer by solver91311(16872)

Question 312245:
Click here to see answer by solver91311(16872)

Question 312255: how do you simplify the rational expression, 3/2-x + 4/x^2-4?
Click here to see answer by fractalier(2101)

Question 312255: how do you simplify the rational expression, 3/2-x + 4/x^2-4?
Click here to see answer by mananth(12270)

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, 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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