Question

Simpligy the expression 7(x+7)-3(x+3)

Answer 1

We will use the distributive property, where
`a(b+c) = ab+ac` and
`a(b-c) = ab-ac`.

`7(x+7)-3(x+3)`

`=7x+49-(3x+9)`

`=4x+40`

Therefore, the simplified expression is 4x+40.