Question 936690
area rectangle = 2xsq + 7x -15 (that is 2x squared) 
one side is represented by x+5, Q is show expression in x for the other?
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Divide 2x^2+7x-15 by x+5
Using synthetic division get::
-5)....2....7....-15
.......2...-3....|..0

Ans: (2x^2+7x-15) / (x+5) = 2x-3 (other side)
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Cheers,
Stan H.
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