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OpenStudy (anonymous):

A basketball court is in the shape of a rectangle. It has a length of (x − 7) meters and a width of (x + 3) meters. The expression below represents the area of the court in square meters. (x − 7)(x + 3) Which of the following simplified expressions represents the area of the basketball court in square meters? − 6x + 3 x2 − 21 x2 − 4x − 21 x2 − 7x + 3

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OpenStudy (saifoo.khan):

That's the same problem.

OpenStudy (saifoo.khan):

x2 − 4x − 21

OpenStudy (anonymous):

x2 − 4x − 21

OpenStudy (saifoo.khan):

http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e59b8e90b8b1f45b47bf64a

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