Mathematics, 25.06.2019 19:20, momoney5746

The length of a rectangle is 3x+7 .the width is x-4 . express the area of the rectangle in terms of the variable x. a) 3x^2 -5x-28 b) 3x^2 +5x +28 c) 2x^2 +4 x-28 d ) 3x^2 -5x +28

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The length of a rectangle is 3x+7 .the width is x-4 . express the area of the rectangle in terms of...