Question

What expression is equivalent to 4( 2x +9) - 5?

Answer 1

8x + 31

Explanation:

First step is Expand the brackets 4 x 2
`x` = 8x, 4 x 9 = 36. Therefore its gives us our second step. We have 8x + 36 - 5. We need to do 36-5 which equals 31 and we got our answer! 8x+31.