Answer
$y(5x^2y^2-y+2x)$
Work Step by Step
Break down the parentheses and the negatives. Then combine all the like terms, and factor out the greatest common factor of them.
$(3x^2y^3-xy+4y^2)-(-2x^2y^3-3xy+5y^2)$
$3x^2y^3-xy+4y^2+2x^2y^3+3xy-5y^2$
$5x^2y^3-y^2+2xy$
$y(5x^2y^2-y+2x)$