Question

How do you simplify `7(3x+9y-11)`?

Answer 1

`7(3x+9y-11)=21x+63y-77`

Explanation:

`7(3x+9y-11)=7times(3x+9y-11)` Distribute 7 about the polynomial

`=(7times3)x+(7times9)y-(7times11)=21x+63y-77`