Question

Rewrite the sum in the form a(b+c) such that the integers b and c have no common factor. 36 + 72

Answer 1

Rewrite two numbers sum

36 + 72

a•(b + c)

b ,c are not factors

Note that

72 = 36x2

Then can be writed

36 + 72 = 36 + 36•2 = 36•( 1 + 2)

Then

b and c, 1 and 2 ,have no common factors

ANSWER IS

36•( 1 + 2)