Math, asked by mondalbidyut1430, 4 months ago

please solve this urgent

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Answered by vipashyana1

1

Answer:

(x+y)²-21(x+y)-7

x²+2xy+y²-21x-21y-7

x²+y²-21x-21y+2xy-7

Answered by Anonymous

3

Answer:

refer the attachment have a nice day ahead

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