Question

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Answer 1

Explicación paso a paso:

1) A=(m) (m+m+n)

A=2m2+mn

P=m+m+m+m+m+m+n+n

P=6m+2n

2)A=(m) (m+n+n+n)

A=m2+3mn

P=m+m+m+m+m+n+n+n+n+n+n

P=4m+6n

3) A=(m) (2m+2n)

A=2m2+2mn

P=m+m+m+m+m+m+n+n+n+n

P=6m+4n