Question

What is 3(x+3)+7x= ?

Answer 1

3(x+3)+7x
3x + 9 + 7x
3x + 7x + 9
10x + 9

Answer 2

10x+9

Explanation:

You first have to multiply 3 into the parenthesis because you have to use distributive property.

Once you do that you get 3x+9+7x.

Combine like terms.

10x+9