Simplify 3x^2y^2-5xy^2-3x^2y^2+2x^2

$3 x^{2} y^{2} - 5 x y^{2} - 3 x^{2} y^{2} + 2 x^{2}$

Subtract $3 x^{2} y^{2}$ from $3 x^{2} y^{2}$ .

$- 5 x y^{2} + 0 + 2 x^{2}$