Math, asked by aradhyasingla541, 2 months ago

(3a+7n)² -84mn=(3a-7n)² verify it is urgent

Answers

Answered by ankhit1490

0

Answer:

18

Step-by-step explanation:

please mark as brainle

Answered by noofalshehhi

0

Answer:

a=m

m=a

n=0

Step-by-step explanation:

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