Question

please help me with this question #18

Answer 1

Answer:

$D.\quad 3x^2y\sqrt{2y}$

Step-by-step explanation:

$\sqrt{18x^4y^3}=\sqrt{2y(3x^2y)^2}=3x^2y\sqrt{2y}$

The square roots of any perfect squares under the radical can be factored out.