# algebra

posted by .

solve
(4x^2+2x-4) - (x^2-5x-4)=

I came up with 3x^2+7 is my answer correct?

• algebra -

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)
You were close.

• algebra -

Thank you math mate

• algebra :) -

You're welcome!

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