Question

Factorize:

x^2-2x-8


Please explain how you got the answer exactly!
Thanksss!!!!

Answer 1

(x+2)(x-4)

Explanation:

So what you do is you think about 2 numbers that will multiply to -8, by add to -2.

-4 and 2 are the numbers

so you write x^2-4x+2x-8

then factor: x(x-4) +2(x-4)

final answer: (x+2)(x-4)