Question

Factor y^3-1 completely

Answer 1

The answer is (y - 1)^3 = (y - 1) (y^2 + y + 1)

Explanation:

`(y - 1)^(3) = (y - 1)( {y}^(2) + y \: \: 1 + {1}^(2) ) \\ \\(y - {1)}^(3) = (y - 1)( {y}^(2) + y + 1)`