Question

Identify the factors of x2 − 8x − 20.

(x + 4)(x − 5)
(x + 5)(x − 4)
(x − 10)(x + 2)
(x − 2)(x + 10)

Answer 1

2x-8x-20 = (x-10) (x+2)

x . x = χ²
-10x +2x = -8x
-10 . +2 = -20

Answer 2

Answer:

the answer is (x − 10)(x + 2) or C

Explanation: