Question

Simplify the following expression using distribution.
-3x + 4(3 + x)

Answer 1

X+12

Explanation:

-3x+4(3+x)

-3x+12+4x

x+12

Answer 2

x + 12

Explanation:

a pair of parentheses signals that something needs to be distributed there

Expand the brackets - multiply every term inside the bracket by the term on the outside

`- 3x + 4(3 + x)`

`- 3x + 12 + 4x`

Collect like-terms:

`x + 12`