Math, asked by kumarigirija218, 25 days ago

-7mn + 5,12mn + 2, 9mn -8, -2mn-3

Answers

Answered by akshhh88

0

Answer:

(-7mn+5) + (12mn+2) + (9mn-8) + (-2mn-3)

= -7mn + 5 + 12mn + 2 + 9mn - 8 - 2mn - 3

= 12mn - 4

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