Math, asked by gangwaranshu565, 6 months ago

-7mn+5,12mn+2,9mn-8 add

Answers

Answered by SHALVIAGARWAL

3

Answer:

-7mn+5+12mn+2+9mn-8

=>(-7mn+12mn+9mn)+(5+2-8)

=>(-7mn+21mn)+(7-8)

=>14mn-1

Hope this answer helps you out.

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