Question

What should be added to x^3 – x^2y -y^3 to get 2x^3 + 3x^2y -5y^3?
^symbol is raised to _number

Answer 1

Step-by-step explanation:

x^3 – x^2y -y^3 to get2x^3 + 3x^2y -5y^3

x^3 – x^2y -y^3 -(2x^3 + 3x^2y -5y^3)

x^3 – x^2y -y^3- 2x^3 - 3x^2y +5y^3

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