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Coach Sikyta is measuring the basketball court in the Arena, he finds that the length is (x + 7) and the width is (3x - 1). Determinethe area of the court.

User Onofrio
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\begin{gathered} \text{the area of the court is the product of the length and the width} \\ \text{Area}=(x+7)(3x-1) \\ =x(3x-1)+7(3x-1) \\ =3x^2-x+21x-7 \\ =3x^2+20x-7 \\ \\ \text{The area is then } \\ A=3x^2+20x-7 \end{gathered}

User Jorel
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