The conversation between human and AI assistant.
How do I factor a^3-1?
That makes sense. Can you explain to me why this formula works?
Of course! The formula (a-1)(a^2+a+1) actually comes from a special case of the difference of cubes formula, where a^3-1 can be written as (a-1)(a^2+a+1). This is because (a-1)(a^2+a+1) expands to a^3-1.