Answer:
The answer is (y - 1)^3 = (y - 1) (y^2 + y + 1)
Step-by-step explanation:
[tex](y - 1)^{3} = (y - 1)( {y}^{2} + y \: \: 1 + {1}^{2} ) \\ \\(y - {1)}^{3} = (y - 1)( {y}^{2} + y + 1)[/tex]
