anna53126 anna53126

06-04-2019
Mathematics

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2(a-1) (a+6) Please Is important

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jimrgrant1 jimrgrant1

06-04-2019

Answer:

2a² + 10a - 12

Step-by-step 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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