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

Question

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

saifoo.khan · Answer

Area = B * h.

anonymous · Answer

x2 − 4x − 21

saifoo.khan · Answer

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

saifoo.khan · Answer

$$x^2 + 3x - 7x - 21 $$$$x^2 - 4x - 21$$