Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.posted by Writeacher
= 27x^3posted by Reiny
Showing the middle steps might be helpful.
(3x)cubed = (3x)^3 = 3x * 3x * 3x =
3 * 3 * 3 * x * x* x = 27 x^3
I hope this helps you understand the process a little better. Thanks for asking.posted by PsyDAG