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Posted by Mary on Friday, April 29, 2011 at 6:11pm.

solve (4x^2+2x-4) - (x^2-5x-4)= I came up with 3x^2+7 is my answer correct?

The first term 3x² is correct. The next term should be 2x-(-5x)=7x The third term is -4-(-4)=0 (as you had it) So the answer is 3x²+7x. You were close.

Thank you math mate

You're welcome!

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