Asked by heyyyy

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
Answered by Steve
that would be the area of the yard less the area of the patio. So,

(2x+3x)(3x-5)-(x+2)^2
or, assuming a typo,
(2x+3)(3x-5)-(x+2)^2
= (6x^2-x-15)-(x^2+4x+4)
= 5x^2-5x-19
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