Question

Using the greatest common factor and the form A (B + C) find the equivalent expression for 20 + 72 + [])​

Answer 1

4(5 + 18)

Explanation:

the factors of the 2 numbers , in listed form is

20 : 1 , 2 , 4 , 5 , 10 , 20

72 : 1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72

the greatest common factor of 20 and 72 is 4

Then

20 + 72

= 4(5 + 18)