Question

Simplify
\[((-7x(9-x ^{2}))\div(7-x))*((-3(x ^{2}-14x+49))\div(28(x ^{3}-x ^{2}-6x)))\]

Answer 1

Ugh.. I came up with 7x(3x^5-51x^4+250x^3-14x^2-2453x+4137)/3(x-7)^2(-x+7) but that was just scribbling out quick hand and it doesn't look right but thought I'd try >.<

Answer 2

Raioner's looks better ^_^

Answer 3

but im not sure mine is right that why I'm asking.

Answer 4

Oh, i didn't notice you were the one asking.. I am way too tired -_- lol

Answer 5

I know the feeling. Got to love summer school.