Question

How do you multiply `(a-7)(2a+2)`?

Answer 1

`2a^2-12a-14`

Explanation:

`(a-7)(2a+2)`

`a*2a=2a^2`

`-7*2a=-14a`

`2*a=2a`

`-7*2=-14`

`=2a^2-14a+2a-14`

`=2a^2-12a-14`