SOLUTION: simplify (r^3-2)^2=

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Question 463614: simplify
(r^3-2)^2=
Answer by aliateach(10) (Show Source):
You can put this solution on YOUR website!
(r^3-2)^2
(r^3-2)(r^3-2)
(r^3)(r^3-2)-2(r^3-2)
(r^3)(r^3-2)+2(-r^3+2)
(r^6-2r^3)+(-2r^3-4)
r^6 -4r^3-4