Question

Please explain how to complete...

Answer 1

@phi, @satellite73?

Answer 2

The first step is factor the quadratics

Answer 3

I did. (a+2)(a+5)/(a+5)(a-3) + 10/(a-3)

Answer 4

?

what did you get for factors of the top of the first fraction
a^2 + a -2 ?

Answer 5

Oh... sorry that was the wrong question. xD sorry... One sec.

Answer 6

(a+2)(a-1)/(a-7)(a-1) - (a-7)(a+2)/(a+2)(a-1) There...

Answer 7

yes, that looks good.

I would simplify both fractions by canceling common factors in the top and bottom