SOLUTION: how do you simplify (x^(y+1)+z^2)(x^(y-1)-z^2)

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Question 56197: how do you simplify (x^(y+1)+z^2)(x^(y-1)-z^2)
Answer by stanbon(48569) About Me  (Show Source):
You can put this solution on YOUR website!
how do you simplify (x^(y+1)+z^2)(x^(y-1)-z^2)
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The problem has the form (a+b)(a-b)=a^2-b^2
Your "a" is x^(y+1)
Your "b" is z^2
So your answer is [x^(2y+2)-z^4]
Cheers,
Stan H.