Question

What expression is equivalent to the expression (4x+12) + 7x?

Answer 1

Answer: 4(x+3) + 7x

Explanation:

4(x+3) + 7x

Answer 2

11x + 12

Explanation:

( 4x + 12 ) + 7x

Remove parentheses.

= 4x + 12 + 7x

Group like terms.

= 4x + 7x + 12

Add similar elements: 4x + 7x = 11x

= 11x + 12