Question

Evaluate the following by using factor
9(x+y)square-xsquare

Answer 1

Answer:

9ysquare plus 2xy is the answer for this above question

Step-by-step explanation:

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Answer 2

$9(x + y) ^{2} - {x}^{2} \\ \\ 9 {x}^{2} + 9 {y}^{2} + 18xy - {x}^{2} \\ \\ = 8 {x}^{2} + 9 {y}^{2} + 18xy$