Question

Factor by grouping:
a^2 + 2a + 6a + 12=

Answer 1

Answer is given below with explanations.

Explanation:

`{a}^(2) + 2 a + 6a + 12 = 0 \\ a(a + 2) + 6(a + 2) = 0 \\ (a + 6)(a + 2) = 0 \\ a = - 6 \: \: \: \: \: (or) \: \: a = - 2`

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