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

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

Question 327680: can you please help me factor completely.
6y2 + 27y - 15
Click here to see answer by unlockmath(1688)

Question 327713: please help with the following problem can you please show steps
Factor completely
4x^2 - 44xy + 121y^2
Click here to see answer by Alan3354(69443)

Question 327712: please help me factor completely. showing all work please
t^5 - 81t
Click here to see answer by Alan3354(69443)

Question 327710: please factor completely and show steps please
64x^3 - 25x
Click here to see answer by Alan3354(69443)

Question 327715: can you help me solve the problem by factoring and using the principle of zero products (x - 2)(x - 7) = -6 I need to see the steps to understand the answer
Click here to see answer by graphmatics(170)

Question 327709: 6y^2 + 27y - 15
can you show me how to factor this problem completely step by step I have a few of these and i need to now each step please
Click here to see answer by scott8148(6628)

Question 327740: Henry invested 12,000 in a new restaurant. When the restaurant was sold two years later, he recieved 27,000. Find his average annual return by solving the equation 12,000(1+r)^2= 27,000.
Click here to see answer by user_dude2008(1862)

Question 327759: Hello,
10cm to the 3rd power of a normal specimen of human blood contains 1.2g of hemaglobin.How many grams does 30cm to the 3rd power of the same blood contain.
Can you help?
Thank you!
Click here to see answer by user_dude2008(1862)

Question 327757: Hello'
The stopping distance d of a car after the brakes are applied varies directly as the square speed r?
if a care traveling 30 mph can stop in 50 feet how many feet will it take the same car to stop when it is traveling 20 mph?
Thank you
Click here to see answer by scott8148(6628)

Question 327782: 12n^2+36n=0
Click here to see answer by Alan3354(69443)

Question 327752: Trying to solve 24x squared + 9x to see if it is prime or not
Click here to see answer by checkley77(12844)

Question 327738:
While finding the amount of seed needed to plant his three square wheat fields, Hank observed that the side of one field was 1 kilometer longer than the side of the smallest field and that the side of the largest field was 3 kilometers longer than the side of the smallest field. If the total area of the three fields is 38 square kilometers, then what is the area of each field?
Click here to see answer by checkley77(12844)

Question 327832: Factor 4b^7-500b^4 I have no clue
Click here to see answer by romerr1(7)

Question 327894: Factor completely. 5t^4-80
Click here to see answer by mananth(16946)

Question 327884: 216v^2-150

Click here to see answer by Alan3354(69443)

Question 327906: 3x^3 + 24x^2 + 48x
can you help me factor showing steps
Click here to see answer by stanbon(75887)

Question 327924: I need help with factoring 25k2 - 36m2
Click here to see answer by Fombitz(32388)

Question 327822: p^2-81/(p+9)^2
Click here to see answer by Fombitz(32388)

Question 327940: Polynomials can be considered as rational expressions. true or false?
Click here to see answer by Fombitz(32388)

Question 328018: I need help with following:
a) Round 0.3333 to the nearest hundredth.
b) Round 8.394 to the nearest tenth.

Click here to see answer by Fombitz(32388)

Question 328018: I need help with following:
a) Round 0.3333 to the nearest hundredth.
b) Round 8.394 to the nearest tenth.

Click here to see answer by jessica43(140)

Question 328017: I need some help with the following:
a) Evaluate 18 - 7 � (1/5 + 1/2)
b) (0.56 - 0.37) x 3
c) Evaluate 4 x 11 - 52
d) (42 - 6) � 2

Click here to see answer by nerdybill(7384)

Question 328086: Divide and simplify
w2+8w divided by w
----- ---
w^2+6w-16 w+2
thank you
Click here to see answer by Fombitz(32388)

Question 328104: ADD
2/w+8 + 7/3w
Thank you

Click here to see answer by Fombitz(32388)

Question 328094: Simplify by removing factors of 1
n^2-81/(n+9)^2
Thank you
Click here to see answer by jessica43(140)

Question 328146: Please show me how to multiply (x-1)(x+1)(x-3)(x+3) Thank you
Click here to see answer by solver91311(24713)

Question 328097: Find the LCM of 15x^2 and 75x^7
I have to say that the answer is 75x^7 but I want to be sure because my grade depends on it!!!
Thank you
Click here to see answer by nyc_function(2741)

Question 328098: Solve
7-r/9-r = 2/r-9
R=

Thank you
Click here to see answer by nyc_function(2741)

Question 328088: Find the LCM of (7+5t), (49-25t^2) and (7-5t)
I am almost certain that the answer I need is 49-25t^2
Can you help me?
Click here to see answer by nyc_function(2741)

Question 328212: I need help dividing this equation: 4x^7y^4/5a^6b^4 divided by 3x^3y^3/2a^3b^2
Click here to see answer by checkley77(12844)

Question 328204: 7x^7y^4/7a^3b^3 times 2a^5b^5/3x^4y^2
Click here to see answer by checkley77(12844)

Question 328200: 4y^2-y(5-4(y-6)-y)
Click here to see answer by checkley77(12844)

Question 328232: I need help soving: 5+9/x=2
Click here to see answer by user_dude2008(1862)

Question 328232: I need help soving: 5+9/x=2
Click here to see answer by stanbon(75887)

Question 328234: I need help solving (4/x-7)=(6/x)
Click here to see answer by user_dude2008(1862)

Question 328223: Solve for x
x-4/x+6 = x+3/x+4
Thank you
I am stumped

Click here to see answer by vleith(2983)

Question 328228: I need help with this problem: Simplify (4r+1/3r)-(r-2/5r)
Click here to see answer by JBarnum(2146)

Question 328241: This has me baffled. R=PV/nT;V (Chemistry)
Options: A) V=n/PRT
B) V=nRT/P
C) V=nP/RT
D) V=n/P
E) V=P/nRT
Click here to see answer by user_dude2008(1862)

Question 328224: I need help multiplying (x^2-7x+12/x^2-6x+8)(x^2-5x+6/x^2-9x+18)
Click here to see answer by Fombitz(32388)

Question 328226: Solve the following equation for the variable X
7/x-4+4/x+4=-5x/x^2-16
Thank you!
That is all for today =)
Click here to see answer by Edwin McCravy(20055)

Question 328273: I need this solved by factoring
Click here to see answer by nyc_function(2741)

Question 328271: -2y+4
______
-14y
Simplify if possible
Click here to see answer by nyc_function(2741)

Question 328254: I need to solve this by factoring:
Click here to see answer by meay7c(10)

Question 328292: Factor completely:
27-8u^3
Can you please show me how to work this problem? Thank you!
Click here to see answer by Earlsdon(6294)

Question 328291: Solve by taking square roots
Click here to see answer by Earlsdon(6294)

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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