SOLUTION: Multiply: (x-1)(x+1) Multiply: (x-1)(x^2+x+1) Need help ASAP Please! Thanks so much!

Algebra ->  Exponents -> SOLUTION: Multiply: (x-1)(x+1) Multiply: (x-1)(x^2+x+1) Need help ASAP Please! Thanks so much!       Log On


   



Question 632074: Multiply:
(x-1)(x+1)

Multiply:
(x-1)(x^2+x+1)
Need help ASAP Please! Thanks so much!

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply:
(x-1)(x+1)
= x(x+1) - 1(x+1)
= x^2+x -x-1
= x^2 - 1
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Multiply:
(x-1)(x^2+x+1)
Same method as above.
= x^3 - 1