Can someone help me? It's urgent and thank you!

Answer:
1
------
3(x-2)
Step-by-step explanation:
x+3 4x
------ * --------------
12x x^2 +x -6
Factor
x+3 4x
------ * --------------
3*4x (x+3)(x-2)
Cancel like terms
1 1
------ * --------------
3 (1)(x-2)
1
------
3(x-2)