Question

Simplify the following: (x – 5)/(x2 – x – 20).
A. x - 4
B. x + 4
C. x2 - 15
D. 1/(x + 4)

Answer 1

(x - 5)/(x^2 - x - 20)
= (x - 5)/(x^2 + 4x - 5x - 20)
= (x - 5)/[(x^2 + 4x) - (5x + 20)]
= (x - 5)/[x(x + 4) - 5(x + 4)]
= (x - 5)/(x + 4)(x - 5) (cancel out x - 5)
= 1/(x + 4)

Answer 2

So D

Answer 3

Obv lol

Answer 4

Dont get huit

Answer 5

wow you have me Scared..

Answer 6

Better be lololo jkjkjk

Answer 7

gimmi a Freaking medal ( ;

Answer 8

ill taske it away be good