Question

Consider the two expressions 5x + 2 and 5(x+2).

(Sorry if the picture is unclear, I rly don’t wanna fail my math class)

Answer 1

Substitute the x= on the side for the equations on the right.

Explanation:

So for the top row, we have x=3, 5x+2, and 5(x+2). Since we know that x=3, we replace the x for a 3. It turns into 5(3)+2 and 5((3)+2).