Combine like terms in the following expression: x^2 + y ^3 + 4x^2
Ay + 5x
Bx ^5 + 4
Cy ^3 + 5x^2
Dy ^3 + 4x^2
Ay + 5x
Bx ^5 + 4
Cy ^3 + 5x^2
Dy ^3 + 4x^2