algebra

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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)
    So the answer is 3x²+7x.
    You were close.

  • algebra -

    Thank you math mate

  • algebra :) -

    You're welcome!

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