Question

please help me in this very hard problem?
1. x-4/x^2-2x-8 - x^2/x^2-16

2. 9/28 + 3/x+2= 3/4

Answer 1

Factor.

Answer 2

What are you asked for?. What are the directions of the problem?

Answer 3

yes is hard, i dont even know, if you guys can help me

Answer 4

well i dont even know how to start i have done some, But this one i dont even know

Answer 5

x-4/x^2-2x-8 - x^2/x^2-16

\[\frac{x-4}{x^2 - 2x - 8} - \frac{x^2}{x^2 - 16}\]
\[\frac{x-4}{(x-4)(x+2)} - \frac{x^2}{(x-4)(x+4)}\]
can u solve now?

Answer 6

no, I don't understand. But anyways thanks for the help

Answer 7

x^2 - 2x - 8 can be written as, (x-4)(x+2)