SOLUTION: ((2-2x)-(1-x)(1+x)+2x(x+1)
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Question 353248
:
((2-2x)-(1-x)(1+x)+2x(x+1)
Answer by
unlockmath(1688)
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Hello,
This ((2-2x)-(1-x)(1+x)+2x(x+1) can be expanded out to:
2-2x-1+x^2+2x^2+2x
Combine like terms to get:
3x^2+1
Got it?
RJ
www.math-unlock.com