# 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 94485: Factor Click here to see answer by checkley71(8403)

 Question 94483: Factor completely Click here to see answer by tutorcecilia(2152)

 Question 94518: Find the degree of the polynomial: 3x^2+3x+3x^3-3 Thanks! Click here to see answer by stanbon(57984)

 Question 94519: -4/5 + 0.7 divided by 3/4 Click here to see answer by checkley71(8403)

 Question 94388: y^2+1/4y Click here to see answer by checkley71(8403)

 Question 94533: What is the domain of the square root of x+5? Click here to see answer by stanbon(57984)

 Question 94517: (-4/5) multiplied by (3/4) divided by 0.7 Click here to see answer by jayanthihemkos@yahoo.com(87)

 Question 94538: divide 6p - 18/9p (divided by) 3p - 9/p^2 + 2p Click here to see answer by jayanthihemkos@yahoo.com(87)

 Question 94535: multiply 2x^2 - x - 3/3x^2 + 7x + 4 . 3x^2 - 11x - 20/4x^2 - 9 Click here to see answer by jayanthihemkos@yahoo.com(87)

 Question 94580: solve and check the equation for x 2/5 = x-2/20 x=-2/20-2/5 x=-0.1-0.4 x=-0.5 Click here to see answer by jnn(2)

 Question 94592: university of phoenix elementary and intermediate algebra factor each trinominal by using the ac method 15x2 - 7x -2 Click here to see answer by tutorcecilia(2152)

 Question 94602: university of phoenix elementary and intermediate algebra factor each trinominal using trial and error 3x2 - 17x + 10 Click here to see answer by stanbon(57984)

 Question 94590: The combine resistanc of two resistors R1 and R2 in a parellel circuit is given by the formula Rt = 1/ 1/R1 + 1/R2 Simplify the formula Click here to see answer by ankor@dixie-net.com(15747)

 Question 94579: solve and check the equation for x 5/x+6 + 2/x^2+7x+6 = 3/x+1 Click here to see answer by ankor@dixie-net.com(15747)

 Question 94640: Factor Completely. Note: Can be worked without expanding. Click here to see answer by stanbon(57984)

 Question 94670: I know what I am supposed to do, and if I could find the LCD, I could solve the problem, but for the life of me, I am drawing a blank on how to factor (n^4 -1) Click here to see answer by Earlsdon(6294)

 Question 94706: n^2+nw-42w^2 Click here to see answer by stanbon(57984)

 Question 94707: 2n^2-50=0 Click here to see answer by stanbon(57984)

 Question 94720: (a^2-b^2)/(a+b) Click here to see answer by stanbon(57984)
 Question 94720: (a^2-b^2)/(a+b) Click here to see answer by edjones(7569)

 Question 94575: solve and check the equation for x x/6 - x/8 = 1 Click here to see answer by ankor@dixie-net.com(15747)

 Question 94584: Science and Nutrition. A passenger train can travel 325 mi in the same time a freight train takes to travel 200 mi. If the speed of the passenger train is 25 mi faster than the speed of the freight train, find the speed of each. Click here to see answer by ankor@dixie-net.com(15747)

 Question 94754: Factor the polynomial completely. I have factored other polynomials, but this one confuses me. The equation is... -3s^2-10s+8 Thank you very much for your time! Click here to see answer by bucky(2189)

 Question 94840: university of phoenix elementary and intermediate algebra factor each polynominal completely given that the binominal following it is a factor of the polynominal X3 + 2x2 - 5x -6, x + 3 Click here to see answer by tutorcecilia(2152)

 Question 94844: Solve t/w+t=s for t. What I have done. . . t=s(w+t) t=sw+st -st -st Stumped???? Click here to see answer by kev82(148)

 Question 94847: university of phoenix elementary and intermediate algebra U3- 125V3 factor each difference or sum of cubes Click here to see answer by stanbon(57984)
 Question 94847: university of phoenix elementary and intermediate algebra U3- 125V3 factor each difference or sum of cubes Click here to see answer by tutorcecilia(2152)

 Question 94816: Use the foil method: (6x-1)(3x-4) Click here to see answer by tutorcecilia(2152)

 Question 94870: university of phoenix elementary and intermediate alegebra 7 factor each polynominal if a polynominal is a prime say so 32a2 + 4a - 6 Click here to see answer by stanbon(57984)

 Question 94806: Factor the following polynomials completely. -3s² - 10s +8 Click here to see answer by checkley71(8403)

 Question 94846: b^3-a^6 Click here to see answer by stanbon(57984)

 Question 94854: From the given polynomials, identify the polynomials of degree one. 1. x3 + 4x + 8 2. 76 + 5x 3. (x)1/2 + 5x - 6 4. 500 + (45)1/2x 5. 289y + 6 -76y 6. (37)1x1 7. (9x2)1/2 + 3 8. 89x4 + 3y + 5 I need the aswer to this asap Click here to see answer by scott8148(6628)

 Question 94805: Factor the following polynomials completely. 14x² - 20x +6 Click here to see answer by checkley71(8403)
 Question 94805: Factor the following polynomials completely. 14x² - 20x +6 Click here to see answer by edjones(7569)

 Question 94748: Good evening tutor, I do not understand multiplying polynomials. Could someone please help me with this problem? Multiply the following: (x/3 + 3/4)(3x/4 - 3/5) Thank you in advance for your help I am going crazy trying to understand this. Click here to see answer by ankor@dixie-net.com(15747)

 Question 94895: Please solve this problem: (3x-2y)squared Answer sheet says it 9x squared+4y squared-12xy. I understand the 9x squared + 4y squared but not the -12xy. Thanks, S Click here to see answer by stanbon(57984)

 Question 94814: university of phoenix elementary and intermediate algebra factor each polynominal completely -36a2b + 21ab2-3b3 Click here to see answer by stanbon(57984)

 Question 94964: s^2 + 2s - 8 s+5 ____________ * _________ s^2 + 3s - 10 s^2 - 16 PLEASE HELP Click here to see answer by stanbon(57984)

 Question 94968: Use the ac test to determine which the following trinomials can be factored. Find the values of m and n for each trinomial that can be factored x² -3x + 7 Click here to see answer by stanbon(57984)

 Question 94980: Kevin earned \$165 interest for 1 year on an investment of \$1500. At the same rate, what amount of interest would be earned by an investment of \$2500. Click here to see answer by stanbon(57984)

 Question 94961: x - 6/x+2 ___________ x + 8/x+5 HELP ME PLEASE WILL LEAVE A GREAT COMMENT =] Click here to see answer by scott8148(6628)

 Question 94999: Given the formula 1/RT=1/R1+1/R2+R3 for the resistance of a circuit, determine the resistance R2 if R1 = 5 ohms, RT = 2 ohms and R3= 3 ohms. PLEASE VERY CONFUSED, HAVE NO IDEA, STEP BY STEP PLEASE, I NEED TO LEARN THIS. . . THANK YOU FOR THE REVIEW. Click here to see answer by scott8148(6628)

 Question 94993: 2 9 5x ____= _ - ____ x+2 8 4x+8 I hope you understand the way I wrote it?? heres a different way. . . same problem. 2/x+2=9/8-5x/4x+8 Click here to see answer by stanbon(57984)

 Question 95010: The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle. Click here to see answer by edjones(7569)

 Question 95012: Factor each of tghe following polynomials completely. -3s^2 - 10s +8 Click here to see answer by edjones(7569)

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, 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