Answer: x=6
Step-by-step explanation:
X^2-12x+36=0
Factors of 36 is -6 and -6
X^2-6x-6x+36=0
X(x-6)-6(x-6)=0
(X-6)(x-6)=0
(X-6)=0 or (x-6)=0
X=6 or x=6
