Question

n-[n-(m+n)={n-(n-m-n) }+2m]

Answer 1

Answer:

hope it right

Step-by-step explanation:

n[n-m-n]=[{n-n+m+n}+2m]

n+m=[m+n+2m]

∆∆∆plz∆∆∆follow∆∆∆me

Answer 2

Answer:

$sorry \:$

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