101k views
4 votes
Factor y^3-1 completely

1 Answer

12 votes

Answer:

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)

User M Tomczynski
by
5.1k points