Math, asked by leenkaur10, 7 months ago

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Answered by tushar2036

1

(m²-n²) -(m²+n²)-20m²n²

(m+n)(m-n)

Answered by Nirupama18

0

Answer:

(m+n) (m-n) - ((m+n)²-2mn)-2m²n²

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