what is 2x(squared) + 7x-15
4x(squared) - 9
4x2-9 = (2x)2-32 =
(2x2+7x-15)/ (4x2-9)= (x+5)(2x-3)/[ (2x+3)(2x-3)]=
(x+5)/(2x+3) if 2x ≠ 3
Thus the answer is (x+5)/(2x+3)
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