Math, asked by jayantasett11, 1 year ago

9(x+y)^2-16(x-2y)^2

Answers

Answered by haridasan85

3

Answer:

=

Step-by-step explanation:

= 9(x^2+2xy+ y2)-16(x^2-2xy+y^2)

9x^2+18xy+9y^2-16x^2+32xy-l6y^2

-7x^2 +50xy-7y^2. Ans

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