Question

Which of the following shows 30 + 12 rewritten using the distributive property and the GCF of the addends?
3(10 + 12)
6(10 + 6)
6(5 + 2)
3(5 + 2)

Answer 1

6(5+2) because 6 is the greatest common factor

Answer 2

 

greatest common factor (30, 12) = 6

⇒  30 + 12 = 6(5 + 2)

Explanations:    6 × 5 = 30  and   6 × 2 = 12