Mathematics, 08.12.2020 22:20, LilLappyLOL

4. If the length of a rectangle in terms of x centimeters is 5x2 + 4x - 4 centimeters and its width is 3x2 + 2x + 6 centimeters, what is the perimeter of the rectangle? Put your answer in simplified form.
(6 pts- 1 pt for correct process, 1 gt for correctly multiplying, 1 pt for correctly combining like terms)

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4. If the length of a rectangle in terms of x centimeters is 5x2 + 4x - 4 centimeters and its width...