Answer:
D.
Step-by-step explanation:
Simplify the numerator and denominator separately. Let's do the numerator first. In the numerator, we have: [tex]x^2-8x-9[/tex]. We can factor this.
[tex]x^2-8x-9=(x-9)(x+1)[/tex]
(I did this by picking two numbers that multiply to -9 and add to -8. -9 and 1 are the only possible candidates).
Now, let's simplify the denominator. The denominator is:
[tex]5x^2-45x=5x(x-9)[/tex]
Thus, all together we will have:
[tex]\frac{(x-9)(x+1)}{5x(x-9)}[/tex]
We can cancel the (x-9) term. Thus:
[tex]=\frac{x+1}{5x}[/tex]
