Math

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The question is simply and answer in standard form
3x2(that is x squared)-2x+1+x2(xsquared)+2x-9

so I made it
3xsquared+xsquared=4xsaqured
-2x+2x=0
the answer is: 4xsquared-(-8)=4xsquared+8

Then it asks the type of polynomial?
I thought it was binomial

Are these correct?
Thank you for your help

  • Math -

    3x^2 - 2x + 1 + x^2 + 2x - 9

    = 4x^2 - 8

    don't understand how you got +8
    ( +1-9 = -8)

    yes, it is a binomial , (there are two terms, "bi" means 2)

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