SOLUTION: Find each of the following squares. {{{(7p + 6q)^2}}} I don't understand this. Please help. Thank you.

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Question 27664: Find each of the following squares.

I don't understand this. Please help.
Thank you.

Found 2 solutions by wuwei96815, mbarugel:
Answer by wuwei96815(245)   (Show Source): You can put this solution on YOUR website!
(7p + 6q)^2 = (7p + 6q)(7p + 6q) = 49p^2 + 42qp + 42qp + 36q^2 = 49p^2 + 84qp + 36q^2
Answer by mbarugel(146)   (Show Source): You can put this solution on YOUR website!
We have

The general formula is that:

So here this becomes:

And this is equal to:

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