Answer:
40x - 16
Step-by-step explanation:
1. Multiply out: 8 x 5x = 40x, 8 x -2 = 16
2. Put together: 40x - 16
This task is an application of the Multiplicative Property. Multiply each of the two terms inside parentheses by 8, obtaining
8(5x - 2) = 40x - 16
