Nathan B. answered 02/24/20
Tutor
5
(20)
Elementary and Algebraic skilled
Wat we need to do is factor out common numbers in the expression. 42 and 36 have a 6 in common (as they are both even numbers divisible by 3):
42 ÷ 6 = 7
36 ÷ 6 = 6
So that leaves us with the following:
6(7 - 6)
Check:
42 - 36 = 6
6(7 - 6) ⇒ 6 * 1 = 6