Simplify: {2\sqrt{3x} \cdot 3\sqrt{2x}}
Simplify: {4\sqrt{5y} \cdot 2\sqrt{3y^3}}
Multiply: {3x\sqrt{2x} \cdot 4\sqrt{8x^3}}
Simplify the expression:{ 8\sqrt{18x^3}\over4\sqrt{2x}}.
Simplify the expression: {10\sqrt{50y^5}\over5\sqrt{2y}}.