Use the quotient rule to rewrite each expression, then simplify.
$\frac{30x^5{y}^3{z}^3}{-15x^2{y}^{3}z}$

• A. $2x^3{z}^2$
• B. $-2x^3{z}^2$
• C. $-2x^3y^3z^2$
• D. $-2x^2z^3$

Answer: (B)