Math

What is the simplified form of The quantity x to the fourth power minus 81 divided by the quantity x plus 3 ?
A. x cubed minus 3 times x squared plus 9 times x minus 27
B. the quantity x squared plus 9 times the quantity x squared minus 9
C. x cubed plus 3 times x squared plus 9 times x plus 27
D. x cubed plus 3 times x squared minus 9 times x minus 27

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  1. (x^4 - 81)/(x+3)
    = (x^2 + 9)(x^2 - 9)/(x+3)
    = (x^2 + 9)(x+3)(x-3)/(x+3)
    = (x^2 + 9)(x-3) , x ≠ -3

    None of your choices represent the "simplified" form, but once you expand my answer, one of them shows up.

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  2. well this didnt help

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