They do not have the same variables or powers. Like terms have the exact same variables and exponents. Just a quick note the term - x x is understood to have a coefficient of.
The order of the variables does not matter unless there is a power.
In algebra like terms are terms that have the same variables and powers. Like terms are terms that contain the same variables raised to the same power. 2 xy 3 x - 7 y there are no like terms to combine. Combining like terms Calculator Get detailed solutions to your math problems with our Combining like terms step-by-step calculator.