Question

Factor the expression gcf 12w-18

Answer 1

factor 12w -18

12w -18 what goes into 12w and -18? lets go with 2

2 (6w - 9) can 6w and -9 be factored more? yes by 3

2 x 3 (2w -3)

so

6 (2w -3)

Answer 2

12w = 6 · 2w

18 = 6 · 3

12w - 18 = 6 · 2w - 6 · 3 = 6(2w - 3)

Answer: 12w - 18 = 6(2w - 3)