SOLUTION: I need help with this [(7x+1)+6y]^2

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Question 659617: I need help with this
[(7x+1)+6y]^2
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(7x+1+6y)(7x+1+6y)=
49x^2+7x+42xy+7x+1+6y+42xy+6y+36y^2
combine like kinds
49x^2+36y^2+84xy+14x+12y+1