SOLUTION: How do I simplify the following: -2(4m+9n)+3mn I started by getting -8m+-18n+3mn. I'm not sure if I can add the m, n with the mn.

SOLUTION: How do I simplify the following: -2(4m+9n)+3mn I started by getting -8m+-18n+3mn. I'm not sure if I can add the m, n with the mn.

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Question 791527: How do I simplify the following:
-2(4m+9n)+3mn
I started by getting -8m+-18n+3mn.
I'm not sure if I can add the m, n with the mn.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!

-8m-18n+3mn
that's as far as you can go
All three are different values, can't combine
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