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Math Help - math help please

  1. #1
    Junior Member
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    math help please

    a couple math problems help please

    Evaluate each polynomial -2x4-3x2+5-9 for x=2



    Seond math problem

    (w2-2w+1)+(2w-5+w2)
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  2. #2
    MHF Contributor
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    #1) f(x)=-2x^4-3x^2+5-9

    This is the same as f(x)=-2x^4-3x^2-4

    So f(2)=-2*(2^4)-3*(2^2)-4=-32-12-4=?

    #2) (w^2-2w+1)+(2w-5+w^2)

    Group it like this (w^2+w^2)+(2w-2w)+(5-1)
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