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March 24, 2017

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Holly has a rectangular garden that measures 12m by 14m. SHe wants to increase the area to 255m^2 by increasing the width and the length by the same amount. What will the dimensions be of the new garden ?
-solving that involves quadratic equations

  • MATH ALGEBRA - ,

    New dimensions=15&17

  • MATH ALGEBRA - ,

    (I4 x)(12 x)=255
    168 14x 12x x^2=255
    168 26x x^2=255
    x^2 26x-57=0..then solve as a quadratic equation

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