Simplify the expression
\$ (2x + 3y)^4 - (2x - 3y)^4\$

A) \$ 192x^3y + 432xy^3 \$

B) \$ 192x^2y + 432xy^2 \$

C) \$ 192x^3y^2 + 432x^2y^3 \$

D) \$ 192xy^3 + 432x^3y^2 \$

Simplify the expression
\$ (4x + 5y)^3 - (4x - 5y)^3 \$

A) \$ 480x^3y+1250y^3 \$

B) \$ 480x^2+1250y^2 \$

C) \$ 480x^2+1250y^3 \$

D) \$ 480x^2y+1250y^3 \$

Simplify the expression
\$ (3x + 4y)^2 - (3x - 4y)^2 \$

A) \$ 24xy \$

B) \$ 12xy \$

C) \$ 48xy \$

D) \$ 36xy \$

Simplify the expression
\$ ((2x-5y) + (x+3y))^2 \$

A) \$ 9x^2+4y^2+12xy \$

B) \$ 9x^2+4y^2-12xy \$

C) \$ 4x^2+9y^2-12xy \$

D) \$ 4x^2+9y^2+12xy \$

Simplify the expression
\$ ((2x+4y) - (6x+3y))^2 \$

A) \$ 16x^2+y^2-16xy \$

B) \$ 4x^2+2y^2-8xy \$

C) \$ 16x^2-4y^2-8xy \$

D) \$ 16x^2+y^2-8xy \$