Answer:
2 --> monomial
4x + 3x + 2 ---> trinomial
Explanation:
for example:
2x
-3
2xy
-5xyz
2x + 3y
-3 + 5x
-3x - 7x
for example
2x + 3x +2
3x - 3x + 5 - 3
3xy + 5x - 20 + x
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