Question

Which expression uses the greatest common factor and distributive property to find 9+36?

Answer 1

A(b+c)=ab+ac
a is gcf

9=3*3
36=2*2*3*3
gcf=3*3=9

a=9
36/9=4

revers
ab+ac=a(b+c)
9(1)+9(4)=9(1+4)=9(5)=45