1.

5m-7+3n-4+2+2m-3mn-5​

Answer»

Answer:

−3mn+7m+3n+−14

Step-by-step explanation:

Let's simplify step-by-step.

5m−7+3n−4+2+2m−3mn−5

=5m+−7+3n+−4+2+2m+−3mn+−5

Combine LIKE TERMS:

=5m+−7+3n+−4+2+2m+−3mn+−5

=(−3mn)+(5m+2m)+(3n)+(−7+−4+2+−5)

=−3mn+7m+3n+−14

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