Answer:
2a² + 10a - 12
Explanation:
To expand 2(a - 1)(a + 6), first expand the parenthesis
= 2(a² + 6a - a - 6)
= 2(a² + 5a - 6) ← distribute the terms in the parenthesis by the 2 outside
= 2a² + 10a - 12
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