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

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 329364: How do I solve this problem? Find the quotient and remainder when x^3 + 3x^2 – x – 7 is divided by x –2. Click here to see answer by Alan3354(31518)

 Question 329485: subtract what polynomial 5x^2 -2x +1 so that the difference is 8x^@ -x +3?. Click here to see answer by Fombitz(13828)

 Question 329511: can some one help me do this freccion... whats the oppositenoh the fraction? -3x^2-x+4 / x^2-1 Click here to see answer by Alan3354(31518)

 Question 329524: the length of a rectangle is 8 cm less than twice its width. Find the dimensions of the rectangle if the area is 120 cm Click here to see answer by nyc_function(2733)

 Question 329548: Please help me work this problem. I really need to understand... 2x/x^2-9 + 3x/x^2+4x+3 Thank you in advance for your help! Click here to see answer by ankor@dixie-net.com(15746)

 Question 329558: May I get help with this problem. It just says to simplify. The answer I came up with was w^-9 ÷64. I need to know if this is right and if not please work this for me. (w-³)³ ÷(2-²)³ Click here to see answer by stanbon(57962)

 Question 329559: I need help with this problem. The way I did it was leaving the point in it. I don't know if I should have done it with timing by 10 first. I need to find the product of the higher power of the binomial. I came up with 11.90a² - 15.87a + 5.29 but I can not get it to factor back when I check it. (3.45a - 2.3)² Click here to see answer by stanbon(57962)

 Question 329552: How do I factor the difference of cubes in this expression: 27n^3-64 Click here to see answer by stanbon(57962)

 Question 329551: How do i simplify this expression in lowest terms...8x^2+16x/4x^2 Click here to see answer by stanbon(57962)

 Question 329576: HI, Can someone please help me with this one; Thanks heaps 0.0494 * 1/SQRT(x) = 0.01 Click here to see answer by mananth(12270)

 Question 329532: Simplify: t^2 - 2t -3 / t^2 - 1 (multiplied by) 3t - 3 / t^2 - 4t + 3 Click here to see answer by mananth(12270)

 Question 329534: Find the LCM of the set of polynomials: t^2 - t - 12 and t^ + 2t - 24 Click here to see answer by mananth(12270)

 Question 329557: I need help with these 3 exercises: 1) (2x^5)^3(-3x^4)^3 2) 7(x^4)^5(-4x^2)^2 3)(8x^3/27y^6)^1/3 Click here to see answer by mananth(12270)

 Question 329605: Need help with this (x-1)(x^3+x^2+x)=? Thank you Click here to see answer by Theo(3504)

 Question 329669: w-7/w-3=w-7/w-4+1 can someone help me solve this? I appreciate any help you can give. I'm stuck! Click here to see answer by stanbon(57962)

 Question 329666: If f (x) is a polynomial, which of the following transformations may affect the number of zeros of f (x)? (A) Reflecting f (x) across the y-axis (B) Reflecting f (x) across the x-axis (C) Translating f (x) 2 units to the right (D) Translating f (x) 6 units down (E) Vertically stretching by a factor of 2 Click here to see answer by stanbon(57962)

 Question 329725: The problem.I need to have these shown step by step please, I am so lost with these problems 2n^2 + 3n -1 2m^2 + 10m = -12 12x^2 + 5x -3 =0 Click here to see answer by checkley77(12569)

 Question 329722: Could you please help me factor each polynomial by factoring out the GCF. problem is a^3 b^5 + a^3 b^2 Click here to see answer by checkley77(12569)

 Question 329707: Simplify the following algebraic expression: (2x^5)^3 (-3x^4)^3 Click here to see answer by checkley77(12569)

 Question 329806: Does this problem mean find the zeros? Find the exact solutions: x^2 – 2x + 10 = 0 Click here to see answer by Alan3354(31518)

 Question 329753: (2s + 5z)^2 (s + 3z)^2 This is what I get: = (2s + 5z) (2s + 5z) (s + 3z) ² = 4s² + 10sz + 10sz + 25z² (s + 3z) (s + 3z) = 4s² + 10sz + 10sz + 25z² + s² + 3sz + 3sz + 9z² = 4s² + s² + 10sz + 10sz + 3sz + 3sz + 25z² + 9z² = 5s² + 26sz + 34z² Is this correct? Click here to see answer by Alan3354(31518)

 Question 329826: If there is a remainder of 3 when you divide p(x) = x^3 + 4 x^2 - hx + 30 by x - 3, what is the value of h? A) -90 (B) 4 (C) 12 (D) 27 (E) 30 Click here to see answer by stanbon(57962)

 Question 329994: what is 18 decreased by a number x Click here to see answer by stanbon(57962)

 Question 329999: am trying to help my stepdaughter with this problem if you could please help!! It is not showing ÷m-1 on preview so I will do problem again to verify for you} Click here to see answer by scott8148(6628)

 Question 329967: For what value(s) of x is the expression x^2 - 4x + 4 / 2x^2 - 3x - 2 undefined? a. -1/2, 0, 2 b. -1/2, 2 c. -2, 1/2 d. -1/2 Click here to see answer by Fombitz(13828)

 Question 330113: multiply (-4x)^2(2x^2)^3 Click here to see answer by Fombitz(13828)

 Question 330115: Show me how to subtract please: (5x-6)-(3x^3-2x^2) Thank you Click here to see answer by privani(34)

 Question 330120: Multiply (s+1/3)(s+1/4) Click here to see answer by Fombitz(13828)

 Question 330124: Factor completely. 8x^8-16x^7+48x^6 Click here to see answer by Fombitz(13828)

 Question 330126: solve 10x^4-17x^2+3=0 Click here to see answer by Fombitz(13828)

 Question 330046: Simplify by removing factors of 1 40^8/48q^12 = Click here to see answer by Fombitz(13828)

 Question 330150: Can someone help me solve the problem x/3=4/x+1? Click here to see answer by Fombitz(13828)

 Question 330084: (6x^3-8x^2-14x+13)/(3x+2) Click here to see answer by Fombitz(13828)

 Question 330155: Can someone help me solve the problem -3/x=x/-3? Click here to see answer by Fombitz(13828)

 Question 330158: The perimeter of a rectangular backyard is 6X + 6 yards. If the width is X yards find a binomial that represents the length. Click here to see answer by stanbon(57962)

 Question 330183: Please help. I need to factor: (a + 4)^2 - 2(a + 4) + 1 Click here to see answer by Fombitz(13828)

 Question 330186: (5.4x10^5) (6.5x10^-3) I got the answer of 3510. How do I write the answer using scientific? Click here to see answer by Fombitz(13828)

 Question 330185: Solve for x: put awnser in radical form: simplified 2/x=8/x 2 over x equals 8 over x Click here to see answer by Fombitz(13828)

 Question 330188: (5.3x10^7) (6.9x10^-3)= 365700 How do I write the answer using scientific notation? Click here to see answer by Fombitz(13828)

 Question 330159: Can someone help me solve the problem of extraneous solutions 5/y-3=y+7/2y-6+1? Click here to see answer by Fombitz(13828)

 Question 330152: Can someone help me solve the problem 5/y-3=y+7/2y-6+1? Click here to see answer by Fombitz(13828)

 Question 330260: Solve (3b^2 - 12/6b^2 + 12b)(5b -10/10b^2 + 20b) Click here to see answer by Fombitz(13828)

 Question 330308: Find a polynomial for the perimeter and for the area. The top of the box is b+7 and the right side of the box is b. What is the perimeter and what is the area? Do not factor. Click here to see answer by nyc_function(2733)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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