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)

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

Step-by-step explanation:

x + 2x + 4x + 8

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

(x + 4)(x + 2)

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