Question

Factor by grouping.

a2 + 2ab – 24b2

(a + 6b)(a + 4b)

(a – 6)(a + 4b)

(a + 6b)(a – 4b)

(a – 6b)(a – 4b)

Answer 1

(a + 6b)(a - 4b)

Explanation:

You want your midst term to result in 2ab, NOT -2ab.

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