Is this right? I'm dividing complex fractions....

8x^2 divided by 4x

over

x^2 -25 divided by 3x+15

I flipped the other fraction and changed the problem to multiplication

8x^2 ovwer x^2 -25 divided by 3x +15 divided by 4x

I factored x^2 -25 and got x+5 and x-5 and divided 8 by 4 and got two and 4 divided by 4 is 1 or x

and now I have 2 times 3x plus 15 over x...is that correct?