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

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

Question 678239: (81b^2)/(4b^2-24b+36)*(4b-12)/(9b)
Click here to see answer by pmatei(79)

Question 675347: What is the LCD of x^(2)+4x and x^(2)-4x
Click here to see answer by MathTherapy(10549)

Question 678307: please help me with this problem?
4x^3 - 10x^2 - 50x
Thanks.
Click here to see answer by jim_thompson5910(35256)

Question 678187: Please help solve the equation
Multiply or divide as indicated.
(4x-4)/(8x-8) divided by 1/3x
Click here to see answer by ankor@dixie-net.com(22740)

Question 678341: Find the value of b so that the equation will have exactly one rational solution.
12p^2+bp+3=0
Click here to see answer by Alan3354(69443)

Question 678342: FInd the value of c so that the equation will have exactly one rational solution.
4p^2-12p+c=0
Click here to see answer by MathLover1(20849)

Question 678415: (4a^4-8a^3-3a^2+13a-6)/(2a^3-a^2-3a+2)
Click here to see answer by jsmallt9(3758)

Question 678440: (3m-3p)^4 I need help on that one i can't get it right
Click here to see answer by ReadingBoosters(3246)

Question 678473: Find a polynomial function of lowest degree with integer coefficients that has the given zeros.
5, −6, 2

Click here to see answer by nerdybill(7384)

Question 678482: Solve the polynomial inequality x(x+3)^(2)(x-4)>0
In interval notation
Click here to see answer by lwsshak3(11628)

Question 678474: Find a polynomial function of lowest degree with integer coefficients that has the given zeros.
2, 2i, −2i

Click here to see answer by jsmallt9(3758)

Question 678486: solve 4x2-9/2x+3 =5
Click here to see answer by lynnlo(4176)

Question 678486: solve 4x2-9/2x+3 =5
Click here to see answer by MathTherapy(10549)

Question 678704: I have been having difficulty even just setting up the proper equation from this word problem. Can you get me pointed in the right direction please? The problem is as follows:
Solve using proportions.
There are 440 students attending a biology lecture. The ratio of male to female students at the lecture is 6 to 5. How many men and women are attending the lecture?
Thank you.
Deb
Click here to see answer by ankor@dixie-net.com(22740)

Question 678946: -2(1-5)=3(7-8)
I need to show work.
Click here to see answer by ReadingBoosters(3246)

Question 678858: What is log(base)3(x+1)-log(base)3(X+5)=2
Click here to see answer by ankor@dixie-net.com(22740)

Question 678961: Solve the inequality: x2(x + 3) > 0
Click here to see answer by ReadingBoosters(3246)

Question 678199: 3x to the third power plus 6x to the second power plus x plus 2 ?
Click here to see answer by ReadingBoosters(3246)

Question 679019: I need help on solving the following problem:
8(3c-4)
Thanks..

Click here to see answer by lenny460(1073)

Question 679046: what is the first step to solve the equation x^2-3=15 ?
Click here to see answer by stanbon(75887)

Question 678998: what is the most number of terms and least number of terms that can occur when adding a monomial and trinomial

Click here to see answer by pmatei(79)

Question 678719: What polynomial times (x-1) = x to the 5th power+ 1
Click here to see answer by jsmallt9(3758)

Question 679200: divide using long divison state the quotient q(x) and the remainder r(x)
(4x^4-4x^2+6x)/(x-4)
Click here to see answer by ReadingBoosters(3246)

Question 679334: 3(x-2)+2(x+3)
Click here to see answer by ReadingBoosters(3246)

Question 679390: (4x^4-2x+5)/(x+3) please solve for the quotient and remainder thanks
Click here to see answer by ReadingBoosters(3246)

Question 679452: How do I solve this?
Q. Given two concentric circles, find the length of the radius of the inner circle.
knowns:
Area of the annulus is 40pi square inches.
The radius of the outer circle is (one inch plus two times the radius of the inner circle).
Click here to see answer by DrBeeee(684)

Question 679637: 3z^5+4z^6

Click here to see answer by checkley79(3341)

Question 679726: Why is the sum of two monomials not ncessarily a monomial? Give an example.
Click here to see answer by pmatei(79)

Question 679853: solve for x
x/3 -1= x/4 + 1 1/12
Click here to see answer by ReadingBoosters(3246)

Question 679920: (t^3-t^2+t-1) divided by (t+1)
Click here to see answer by ReadingBoosters(3246)

Question 680120: I am learning factoring and the teacher would like us to factor completely on a,b,c for one of our questions. One is (8z-3)(z+7)-(8z-3)(z-6)
I did this work on (8z-3)(z+7) as 8z(the 2nd power)-10z+21
(8z-3)(z-6) I have 8z(to the 2nd power)-51z+18
When subtracted I have 61z+40 is that right...I am so confused
Click here to see answer by ReadingBoosters(3246)

Question 680312: A grain silo consists of a cylindrical main section and ahemispherical roof. If the total volume of the silo (including thepart inside the roof section) is 15000 ft{}^3 and the cylindrical part is 30 fttall, what is the radius of the silo?

Click here to see answer by MathLover1(20849)

Question 680301: How do you solve for p?
P=I-rt. P=rt/I. P=i/rt. P=I x r/t
Click here to see answer by ReadingBoosters(3246)

Question 680620: what is the answer to rational problems 2 1/6 (fraction), what iss equal to 4 -2(exponent)?
Click here to see answer by ReadingBoosters(3246)

Question 680677: How do I factor ac+xc+aw^2+xw^2
Click here to see answer by stanbon(75887)

Question 680677: How do I factor ac+xc+aw^2+xw^2
Click here to see answer by ReadingBoosters(3246)

Question 681095: What is a quartic function with only the two real zeroes given?
x=5 and x=1
Click here to see answer by ReadingBoosters(3246)

Question 681095: What is a quartic function with only the two real zeroes given?
x=5 and x=1
Click here to see answer by funmath(2933)

Question 681627: How do I find the vertex of g(x) = x2 + 16x - 5
Click here to see answer by mathgotserved(25)

Question 681619: Alright this is kinda a long question and I am hoping you can help me out
Prove that (1-tan^2 x) / (1+tan^2 x) = cos 2 x
For each step of the proof I also need to know what rule this applies to (algebra, reciprocal, quotient, Pythagorean, double angel, or sum and differences).
Thank you so so much for your help!

Click here to see answer by solver91311(24713)

Question 681684:
simplify the espression.
n^2 - n/n^2 - 4n
I came up with n - n/n - 4
just want to check if that is correct. If not can you please provide correct answer?
Thanks!
Click here to see answer by jim_thompson5910(35256)

Question 681683: If possible, evaluate the expression for the given value of the variable.
9/x^2-7x + 12
x = -3

Click here to see answer by jim_thompson5910(35256)

Question 681698: Solve N = fw/f+w for w.
the solution is w = ____.
can you please help with this?
Thanks!
Click here to see answer by Alan3354(69443)

Question 681659: Given that x+1 is a factor of P(x)=4x^3+4x^2-x-1, factor P(x) completely into linear factors. What are the zeros of P(x)?
Click here to see answer by ReadingBoosters(3246)

Question 681694: Solve F/P = M for P.
P = ____

Thanks.
Click here to see answer by ReadingBoosters(3246)

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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, 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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, 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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