SOLUTION: Factor. 7t-21w-wt+3w^2

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Question 100185: Factor.
7t-21w-wt+3w^2
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
rewrite as
3w%5E2+-wt+-21w+%2B+7t
I notice that 3 *7 = 21
I try %283w+-+t%29%28w+-+7%29
That's the answer