Question

Use the grouping method to factor the polynomial below completely.

x + 2x + 4x + 8
O A. (x + 4)(x+2)
O B. (x + 2)(x+4)
O C. (x + 2)(x+2)
O D. (x + 4)(x+4)

Answer 1

A. (x + 4)(x + 2)

Explanation:

x + 2x + 4x + 8

x (x + 2) + 4 (x + 2)

(x + 4)(x + 2)