Algebra

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. !@#$%^&x ) = 9 x 3 + 2 x 2 − 5 x + 4 and g ( x ) = 5 x 3 − 7 x + 4 . what is !@#$%^&x ) − g ( x ) ? Show all of your steps and write your final answer in factored form.

Please help me out! It would mean a lot :D

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  1. @Mrs.Sue can you help me out?

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  2. I don't know any Mrs. Sue. But this math is beyond ME.

  3. !@#$%^&x ) = 9 x 3 + 2 x 2 − 5 x + 4=27+4-5x+4 =35-5x
    g(x) = 5 x 3 − 7 x + 4 = 15-7x+4=19-7x
    those assume the x+4 at the end of each is not a factor (x+4). You did not use parenthesis.
    f(x)-g(x)= 35-5x-19+7x=16+2x
    This is so easy, wondering if you typed is correctly. Check.

  4. haha @bobpursley I just realized it did it wrong. I'll fix it.

    f(x) = 9x^3 + 2x^2 - 5x +4
    g(x)= 5x^3 - 7x +4

    What is f(x)-g(x)?

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  5. There are also no parenthesis.

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  6. So f(x) - g(x) would simply be
    9x^3 + 2x^2 - 5x +4 - (5x^3 - 7x +4)
    = 4x^3 + 2x^2 + 2x

    This can be factored, but it was asked for.

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    posted by Reiny

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