Question

\(\dfrac{2}{x^2-5x+6}-\dfrac{2}{x^2-9}\)

help me

Answer 1

\(=\dfrac{2}{\left(x-2\right)\left(x-3\right)}-\dfrac{2}{\left(x-3\right)\left(x+3\right)}=\dfrac{2x+6-2x+4}{\left(x-2\right)\left(x-3\right)\left(x+3\right)}=\dfrac{10}{\left(x-2\right)\left(x-3\right)\left(x+3\right)}\)