Answer:
a) 3x - 6x^2y + 2xy - 2x
b) 4x^2 - 3y + 2x + 7y
Step-by-step explanation:
Like terms is when the terms are the same.
For example, 3x and -2x would be like terms (both have x).
Not like terms would be 4x^2 and +2x (one is just an x and the other is x^2).
