Question 1204682


{{{k^3-6k^2-k+6 = 0}}}

{{{(k^3-6k^2)-(k-6) = 0}}}

{{{k^2(k-6)-(k-6) = 0}}}

{{{(k-6)(k^2-1) = 0}}}

{{{(k - 6) (k - 1) (k + 1) = 0}}}

solutions:

{{{k=6}}}
{{{k=1}}}
{{{k=-1}}}