Math, asked by hardik123425, 4 days ago

15m²n-17mn+8mn², 13m²n-15mn-9mn², 12m²n+21mn-14mn²

Answers

Answered by pamechanisha

0

Answer:

The answer is 314

Step-by-step explanation:

225-17+64=272

169-15-81=73

144+21-196=(-31)

THE TOTAL OF ALL SUMS IS 314...

HOPE THIS IS HELPFUL

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