SOLUTION: the area of a playground is 285 yd^2. the width of the playground is 4 yd longer than its length. find the length and width of the playground.

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Question 443038: the area of a playground is 285 yd^2. the width of the playground is 4 yd longer than its length. find the length and width of the playground.
Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
x(x+4)=285
x2+4x=285
x2+4x-285=0
(x+19)(x-15)=0
x=-19 or 15
Throwing out the negative answer, we get the playground to be 15yds by 19yds..

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