Question

Factor the following expression --> 198q3r2 – 184q2r2 + 18qr2

Answer 1

\[198q ^{3} r ^{2} - 184q ^{2}r ^{2} + 18qr ^{2}\]

Answer 2

Do you see that 198, 184, and 18 are all even numbers?

Answer 3

So I can divide them all out by 2?

Answer 4

Yes. And also each term contains q and r^2 so you can divide that out as well.