What order do they have to be in least to greatest or greatest to least
Like terms have to have the same variables and the variables have to have the same powers.
3x and 6x are like terms.
3x and 6y are not.
4y^2 and 7y^2 are like terms.
4y^3 and 7y^6 are not.
2xy and 5xy are like terms.
2xy^2 and 5x^2y are not
2xy^2 and 5xy are not.
