Question

Add the expressions : 6m 2+ 2mn ; 5m 2 – 3n 2 ; 8mn – 7m​

Answer 1

Answer:

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Answer 2

Answer:

3m – 4n – 5mn – 3

(5m−7n)+(3n−4m+2)+(2m−3mn−5)

=5m−7n+3n−4m+2+2m−3mn−5

=3m−4n−3mn−3

Hence the correct answer is 3m−4n−3mn−3.

Step-by-step explanation:

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