Algebra

The width w of a rectangular swimming pool is x+4. the area a of the pool is x^3-13x+12. What is an expression for the length of the pool

If you can help I would really appreciate it

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  1. a = w * L
    so
    L = a / w
    L = (x^3 - 13 x + 12) / ( x+4)
    so divide
    x^2 - 4 x + 3 maybe?

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    Damon

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