SOLUTION: x^2+18xy+81y^2

Question 418656: x^2+18xy+81y^2
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

factoring

x^2+18xy+81y^2

(x+9y)(x+9y)

Note:SUM of the inner product(9xy) and the outer product(9xy) = 18xy 

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