SOLUTION: I need help finding the perimeter or a retangle. One side is 5x+48 and the other side is x^2+9x. It says find the perimeter of the retangle then factor the polynomial.

Question 190649: I need help finding the perimeter or a retangle. One side is 5x+48 and the other side is x^2+9x. It says find the perimeter of the retangle then factor the polynomial.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I need help finding the perimeter or a retangle. One side is 5x+48 and the other side is x^2+9x. It says find the perimeter of the retangle then factor the polynomial.
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A rectangle's perimeter is 2 times its width + 2 times its length.
This one is
10x + 96 + 2x^2 + 18x
= 2x^2 + 28x + 96
= 2*(x+6)*(x+8)

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