Tolong di jawab semuanya

2. jawab.nya (x-6)/(x-2)

3. (x-4)(x+3)

5. axb

6. 8x^2 kali 7x

7. 4/x-3y

8. a^3+8b^3+6a^2b+12ab^2

9. (2x+1)/(x+2)

10. (x-6)/(x-4)