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.