Question 417491
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Hi
{{{((2x^2-7x-15)/(x^2-4))/((10x+15)/(x^2-4))}}}  
|Yes, the (x^2-4) cancel by multiplying both numerator and denominator by (x^2-4)
{{{(2x^2-7x-15)/(10x+15)}}}  
{{{((2x+3)(x-5))/5(2x+3)= (x-5)/5}}}