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

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 Question 111189: write each fraction in simplest form. -15x^3y^3/20xy^4 Click here to see answer by edjones(7794)

 Question 111242: Factor the polynomial 9 y 2 - 64 Click here to see answer by solver91311(18785)

 Question 111243: Factor 3 x 2 + 3 x y + 8 x + 8 y by grouping. Click here to see answer by dayne514(7)

 Question 111281: Factor the trinomial. Factor out all common monomials first. 21 x 3 - 62 x 2 + 16 x. Click here to see answer by dayne514(7)

 Question 111236: Factor the trinomial. Factor out all common monomials first. 21 x 3 - 62 x 2 + 16 x. Click here to see answer by elima(1433)

 Question 111237: If the lead coefficient is negative, begin by factoring out -1. - x 2 - 3 x + 28. Click here to see answer by elima(1433)

 Question 111239: Use a special product formula to factor the perfect square trinomial. b2 + 18b + 81 Click here to see answer by elima(1433)

 Question 111296: 81x2-108x+36 Click here to see answer by jim_thompson5910(29613)

 Question 111302: The trinomial b 2 + 5 b + 20 is prime. True or False Click here to see answer by jim_thompson5910(29613)

 Question 111317: Find the GCF of the set of monomials: 60, 156 Click here to see answer by jim_thompson5910(29613)

 Question 111327: Use a special product formula to factor the perfect square trinomial. 81x^2-108x+36 Click here to see answer by jim_thompson5910(29613)

 Question 111319: Find the GCF of the set of monomials: 60, 156 Click here to see answer by jim_thompson5910(29613)

 Question 110918: Use a special product formula to factor the perfect square trinomial 25^x2-40x+16 Click here to see answer by jim_thompson5910(29613)

 Question 110119: (x^2+x^3)(x^1+x^5) Click here to see answer by jim_thompson5910(29613)

 Question 111269: will someone please help me? my question is: how do i find the the given X- value that is a zero of the function? f(x)=x^3+3x^2 -5x+8, x=4 thanks Click here to see answer by jim_thompson5910(29613)

 Question 111328: a^4-15a^2+56 Click here to see answer by jim_thompson5910(29613)

 Question 111397: please simplify this fraction. 6p-18/9p divided by 3p-9/p^2+2p Click here to see answer by MathLover1(7480)

 Question 111455: Factor 11x^2 + 11xy + 13x + 13y Click here to see answer by Earlsdon(6294)
 Question 111455: Factor 11x^2 + 11xy + 13x + 13y Click here to see answer by edjones(7794)

 Question 111456: Do the operations and simplify. 1.(x^2+4x+4/x) * (x^2 - 2x/x^2 -4) 2.(x^2 + 2x - 63/9x^2 +71x +56) * (81x^2 - 64/ 9x^2 +73x - 72) Click here to see answer by MathLover1(7480)

 Question 111461: Solve the equation. b/3 - b/4 = 5 Click here to see answer by Fombitz(13828)

 Question 111451: Do the subtraction. (8x^3y^5+5xy-8y^3) - (4x^3y^5-8xy+4y^3) My answer is 4x^3y^5 +13xy-12y^3 Click here to see answer by Fombitz(13828)

 Question 111458: Use a special product formula to factor the perfect square trinomial. 81x^2 - 144x + 64 Click here to see answer by jim_thompson5910(29613)

 Question 111460: Solve the equation. x/8 = 17 Click here to see answer by checkley71(8403)

 Question 111566: 5w2 ( thats 5w (square) --- 3rs ________ 20wr ------- s2 ( thats s (square) = ws ------ 12r2 thats ws over 12r square is that correct? Click here to see answer by edjones(7794)

 Question 111557: Can someone help me with this. Find each of the following squares. (w-1/4)^2 Click here to see answer by edjones(7794)

 Question 111554: How would you multiply this binomial? (4c-1)^2 I came up with 16c^2-8c+1... is that correct... or is it 16c^2+8c+1? Click here to see answer by edjones(7794)

 Question 111572: (x^2+2xy-y^2)(3x^2-xy-2y^2) Click here to see answer by jim_thompson5910(29613)

 Question 111459: Factor the trinomial. Factor out all common monomials first. 35x^3 - 48x^2 + 16x Click here to see answer by edjones(7794)

 Question 111590: Perform the indicated operations: √[50] + 2√[32] – √[8] Click here to see answer by stanbon(60778)

 Question 111588: Rationalize the denominator: 2 ______________ √[6] – √[5] Click here to see answer by stanbon(60778)

 Question 111589: Multiply: (5√[2] + 3)(√[2] – 2√[3]) Click here to see answer by stanbon(60778)
 Question 111589: Multiply: (5√[2] + 3)(√[2] – 2√[3]) Click here to see answer by MathLover1(7480)

 Question 111619: 25a2b-15ab+5a y4-13y+36 5x2-12x+7 Click here to see answer by rapaljer(4670)

 Question 111454: Factor the polynomial 35x^6 y^6 + 28x^3 y^4 - 7x^5 y^3, if possible. Click here to see answer by elima(1433)

 Question 111643: Click here to see answer by Edwin McCravy(9719)

 Question 111659: Simplify the rational expression: x2 – 3x – 10/ x2 – x – 20 Click here to see answer by BrittanyM(80)

 Question 111680: Factor completely . If you believe that a polynomial is not factorable label as prime. Show all stages of factoring separately , show the results of factoring out a GCF before taking the resulting polynomial and factoring it again. 4x^2 - 36y^2 Thank you for your help Click here to see answer by Earlsdon(6294)

 Question 111690: The length of a rectangular garden is 5 feet longer than the width. The garden is surrounded by a 2 foot wide sidewalk. The sidewalk has an area of 76 square feet. Find the dimensions of the garden. Click here to see answer by malakumar_kos@yahoo.com(315)
 Question 111690: The length of a rectangular garden is 5 feet longer than the width. The garden is surrounded by a 2 foot wide sidewalk. The sidewalk has an area of 76 square feet. Find the dimensions of the garden. Click here to see answer by edjones(7794)

 Question 111664: Simplify: Click here to see answer by nihat(10)

 Question 111660: Divide: 2x2 + 5x – 12÷2x2 – 7x + 6 Click here to see answer by checkley71(8403)

 Question 111838: Factor -3s^2-10s+8 Click here to see answer by jim_thompson5910(29613)

 Question 111830: SOLVE FOR a. a-g divided by ag = L my answer is a= -g/gL-1 is that correct? Click here to see answer by jim_thompson5910(29613)

 Question 111911: I need to completely factor out this problem. can anyone help me? 3x^4 + 6x^3 + 5x^3 + 10x^2 Click here to see answer by scott8148(6628)