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width W or a rectangular swimming pool is 7x^2. The area of the pool is 7x^3--42x^2. what expression for the length of the pool? please walk me through this.

  • Algebra -

    W * L = 7 x^3 - 42 x^2

    7 x^2 * L = 7 x^3 - 42 x^2

    L = x - 6

  • Algebra -

    Damon-Thank you very much

  • Algebra -

    The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck

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