SOLUTION: (x^2+x-1)(x^2+x-1)

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Question 102445This question is from textbook Intermediate Algebra
: (x^2+x-1)(x^2+x-1) This question is from textbook Intermediate Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(x^2+x-1)(x^2+x-1)
= (x^2+(x-1))(x^2+(x-1)}
= x^4 + 2x^2(x-1) + (x-1)^2
= x^4 + 2x^3-2x^2 +x^2-2x+1
= x^4 + 2x^3-x^2-2x+1
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Cheers,
Stan H.