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I'm having trouble with this answer:( please help

I'm having trouble with this answer:( please help-example-1
User Greay
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1 Answer

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6m-3m^2. You can only add,subtract, multiply, and divide the same variables. The only same variables are 2m and 4m so you add them, that's how you get 6m. -3m^2 is a different variable so you leave it alone.
User Seeya K
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