Please, I don't want an answer, Just help on how to complete this Quadratic Problem:
The area of a rectangle is \(\displaystyle \, 2x^2\, -\, 11x\, -\, 63\,\) square units, and the length is \(\displaystyle \, 2x\, +\, 7\,\) units. What is the perimeter, in units, of the rectangle?
The area of a rectangle is \(\displaystyle \, 2x^2\, -\, 11x\, -\, 63\,\) square units, and the length is \(\displaystyle \, 2x\, +\, 7\,\) units. What is the perimeter, in units, of the rectangle?
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