It isn't easy really but you can always divide the number out. For example 50% of 200 is 100 by dividing 200 by 2 or 25% of 100 is 25 by dividing 100 by 4 since 25% is equivalent to 1/4
X^6= 3^12
(X^6) ^1/6. = (3^12)^1/6
X=9
Step-by-step explanation:
Standard polynomial is:

Leading co effecient is:
-20