Question

x+4/x^2+5x+6*x+3/x^2-16

I get stuck here x+4/(x+2)(x+3)/x+3/(x-4)(x+4)

Answer 1

The x+3 in the numerator and denominator cancel out and so do the x+4 in the numerator and denominator. You are left with 1/(x+2)*(x-4)

Answer 2

Thanks!