Question

(a)Find the greatest common factor (GCF) of 72 and 40.
(b)Use the GCF to factor 72 - 40.

Answer 1

Answer:

(72-40) = 8 x (9-5)

Step-by-step explanation:

GCF = 8

(72-40) = 8 x (9-5)

Answer 2

a) 8

b) 72 - 40 = 8 (9 - 5)

Check:
8 (9 -5)
72 - 40

Hope that helps!