Matematika 12 (me zgjedhje)

Paraqit këto thyesa me anë të thyesave elementare:

1. $\dfrac{6x-2}{(x-2)(x+3)}$
2. $\dfrac{2x+11}{(x+1)(x+4)}$
3. $\dfrac{-7x-12}{2x(x-4)}$
4. $\dfrac{2x-13}{(2x+1)(x-3)}$
5. $\dfrac{6x+6}{x^2-9}$
6. $\dfrac{7-3x}{x^2-3x-4}$
7. $\dfrac{8-x}{x^2+4x}$
8. $\dfrac{2x-14}{x^2+2x-15}$