
                ### Instruction: help me answer this question Expand (1 + 3x + 2x2)3, think step by step
                ### Assistant:  , The answer is From the binomial theorem, the given equation can be expanded as 
Solution:
Co (1)3 + 3C1 (1)2 (3x) + 3C1 (1) (3x)2 + 3C1 (1)2 (2x2) + 3C2 (1) (3x) (2x2) + (2x2)3
