How do you simplify (-x^2 +9x -2) -(9x^2- 4x+ 4(x2+9x2)(9x24x+4)?

2 Answers

-10x^2 + 13x - 610x2+13x6

Explanation:

All you have to do is pretty much subtract the different powered variables (Ex. x^3, x^2, x)(Ex.x3,x2,x)
so ...
-x^2 - 9x^2 = -10x^2x29x2=10x2

9x - (-4x) = 13x9x(4x)=13x

-2 - 4 = -624=6

Answer: -10x^2 + 13x -610x2+13x6

Mar 10, 2018

(x^2+9x-2)-(9x^2-4x+4)=-8x^2+13x-6(x2+9x2)(9x24x+4)=8x2+13x6

Explanation:

(x^2+9x-2)-(9x^2-4x+4)(x2+9x2)(9x24x+4)
=x^2+9x-2-9x^2+4x-4=x2+9x29x2+4x4
=x^2-9x^2+9x+4x-2-4=x29x2+9x+4x24
(1-9)x^2+(9+4)x-(2+4)(19)x2+(9+4)x(2+4)
-8x^2+13x-68x2+13x6