Question #a9a04

1 Answer
Sep 16, 2017

#-x^6+x^3+8#

Explanation:

Original Problem
#(2+x-x^2)^3#
Distribute the cube power to all terms inside the parentheses.
#(2^3+x^3-(x^2)^3)#
Simplify. Remember that the Power of a Power Rule states that a power to a power is multiplied (in this case, #2*3#).
#(8+x^3-x^6)#
Rearrange terms in descending order
#(-x^6+x^3+8)#