SOLUTION: 8-(a-1)^3

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Question 720926: 8-(a-1)^3
Answer by checkley79(3341) About Me  (Show Source):
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8-(a-1)^3
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A-1
A-1 MULTIPLY
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A^2+A+A+1
A^2+2A+1
A-1 MULTIPLY.
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A^3+2A^2+A-A^2-2A-1
A^3+3A^2-A-1
8-(A^3+3A^2-A-1)
-A^3-3A^2+A-1+8
-A^3-3A^2+A+7 ANS.