SOLUTION: how do i factor 9w – w3

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Question 622560: how do i factor
9w – w3
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Starting with:
9w-w%5E3
factor out what is common between both terms (w):
w%289-w%5E2%29
notice, we can rewrite the expression inside the parentheses as:
w%283%5E2-w%5E2%29
now, since it's a "difference of squares" it factors to:
w%283-w%29%283%2Bw%29