
                ### Instruction: help me answer this question Expand (1 + x)7, think step by step
                ### Assistant:  , The answer is From the binomial theorem, the given equation can be expanded as 
Solution:
Co (1)7 + 7C1 (1)6 (x) + 21C2 (1)5 (x)2 + 35C3 (1)4 (x)3 + 35C4 (1)3 (x)4 + 21C5 (1)2 (x)5 + 7C6 (1) (x)6 + (x)7
