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Mathematics
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

OpenStudy (saifoo.khan):

Area = B * h.

OpenStudy (anonymous):

x2 − 4x − 21

OpenStudy (saifoo.khan):

Area = (x-7)(x + 3) Sue FOIL to Solve.

OpenStudy (saifoo.khan):

\[x^2 + 3x - 7x - 21 \]\[x^2 - 4x - 21\]

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