how do i simplify c(x)=x^2-2x-8/(x-4)

Question

i need help fast please this may keep me from failing

Answer 1

you need to factor the numerator.

x^2-2x-8 ----> (x-4)(x+4)

x-4 -----> (x-4)

x-4 cancels because it is a factor in the numerator and the denominator. What is left, your answer is x+4.