Question

Factor the following expression.
198q^3r^2– 184q^2r^2 + 18qr^2 help me guys

Answer 1

You could go like this
\[198q^3r^2– 184q^2r^2 + 18qr^2 \]
\[(18q^2-2q)(11qr^2-9r^2)\]
\[2 q (9 q-1) (11 q-9) r^2\]