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Q: What is 9x squared minus 6xy plus y squared minus 81 factored as?

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The answer? There is no "answer" There cannot be an answer because they are all different. In order to make calculations, the variables have to be the same. x squared, xy, y squared are the variables, and none of them match. Therefore your "answer" must look like this: 9x squared - 6xy + y squared - 81. Hope I Helped :D

9x2 - 6xy + y2 - 81 = (3x - y)2 - 81 = (3x - y - 9)*(3x - y + 9)

3x2+6xy+3y2= 3(x2+2xy+y2)= 3(x+y)2

Type your answer here... 81

(3x + 3y)(x + y) = 3(x + y)2

2x2 + 6xy = 2x (x + 3y)

2xy + 6xy = 8xy

No, it equals -2xy. lrn2math

Totally pointless

6xy +12y = 6y (x+2)

3x

3x(2y + 1)

2y(3x + 1)

3y2 - 2y + 6xy - 4x = y(3y - 2) + 2x(3y - 2) = (y + 2x)*(3y - 2)

(3x - y)(3x - y)

(a + x - 3y)(a - x + 3y)

3x2y - 4xy + 4x

9x-6xy = 3

((15xy2)/(x2+5x+6))/((5x2y)/(2x2+7x+3)) =(15xy2/5x2y)*(2x2+7x+3)/(x2+5x+6) =(3y/x)*(((2x+1)(x+3))/((x+2)(x+3) =(3y(2x+1))/(x(x+2)) =(6xy+3y)/(x2+2x)

Very few of them were as good in math as you were.

(3x + 3y)(x + y) or 3(x + y)2

By factorisation: x2 + 6xy - 27y2 = (x + 9y)(x - 3y).

yes 6xy is a monomial. A+LS

6xy+9y2

The value of this expression depends on the values of x and of y. Since you have not bothered to share that information, it is not possible to evaluate the expression.