Question 301951
Find the GCF : 24x^2 , 36x^3 , 72x^9

GCF = greatest common factor 

24x^2 = 2*12*x^2

36x^3 = 3*12*x^2*x

72x^9 = 6*12*x^2*x^7

the common terms are : 12 and x^2 

therefore, the GCF will be 12x^2