A family has a rectangular backyard that measures 2x + 3x by 3x - 5. they are building a square patio with side lengths that measure x + 2. write an expression for the area of grass that will be left in the backyard after the patio is built

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  1. that would be the area of the yard less the area of the patio. So,

    or, assuming a typo,
    = (6x^2-x-15)-(x^2+4x+4)
    = 5x^2-5x-19

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