Answer: a = 12, b = 2, c = 11
Step-by-step explanation:
Using exponent rules we can distribute the exponent of 3 to the xyz.
This results in the numerator now being.
This can be simplified to,
.
Now divide the numerator by the denominator subtracting the exponents.
Which equals, 
So a = 12
b = 2
and
c = 11