
Lawrence D. answered 04/10/13
Tutor
New to Wyzant
The Coolest Old Guy Tutor
x5 (2x)3
First cube (2x): 23 = 2 * 2 * 2 = 8 * x3 = 8x3
Then remember what you do when you multiply exponents: x5 * 8x3
(You add them)