Can someone plz tell me how to do this???

Simplify the expression. State any excluded values.
[tex]\frac{7p-21}{4p-12}[/tex]

A. [tex]\frac{7}{4} (p-3)[/tex] where p [tex]\neq[/tex] 3
B. [tex]\frac{7p}{4}[/tex] where p [tex]\neq[/tex] 4
C. [tex]\frac{7(p-3)}{4}[/tex] where p [tex]\neq[/tex] 4
D. [tex]\frac{7}{4}[/tex] where p [tex]\neq[/tex] 3