Math, asked by Sagar1676, 6 hours ago

(m+n)(2m+n)+(m+2n)(m-n)+4n

Answers

Answered by CATALYSTKITTY002
1

Answer:

(m+n)(2m+n)+(m+2n)(m-n)+4n=

3m² +4mn - n² + 42

HOPE IT HELP'S

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