Answers

2014-12-09T20:18:35+05:30
9(x+y)(x+y) - (x)(x)

9x² + 9xy + 9yx + 9y² - x²

==>>
      8x² + 18xy + 9y²
3 4 3
shivam 2000 u r smart man!!!!!!!!! a salute from me
thanxxxxxxxxxxx
2014-12-09T20:21:26+05:30

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9(x+y)²-x²= 9x²+18xy+9y²-x² =8x²+18xy+9y²
1 4 1
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