6 The cubic polynomial \(\mathrm { f } ( x )\) is defined by \(\mathrm { f } ( x ) = x ^ { 3 } + x ^ { 2 } - 11 x + 10\).
- Use the factor theorem to find a factor of \(\mathrm { f } ( x )\).
- Hence solve the equation \(\mathrm { f } ( x ) = 0\), giving each root in an exact form.