Question

$$4 x ^ { 2 } y ^ { 3 } ( 3 x ^ { 2 } y ^ { 2 } - 2 x y )$$

Evaluate

$4\left(3xy-2\right)x^{3}y^{4}$

Expand

$12x^{4}y^{5}-8x^{3}y^{4}$