Question 745273
we are asked to solve

10x^3 +y^2÷2 -x^3÷3 +y^2÷4 -2x^2÷3

group like terms together and we have

10x^3 - X^3/3 -2x^2/3 +y^2/2 + y^2/4 

30x^3/3 - x^3/3 -2x^2/3 +2y^2/4 + y^2/4

29x^3/3 - 2x^2/3 +3y^2/4