Find All Rational Zeros of the Polynomial $p ( x ) = 5 x ^ { 5 } - x ^ { 4 } - 10 x ^ { 3 } + 2 x ^ { 2 } + 5 x - 1$

Find all rational zeros of the polynomial $p ( x ) = 5 x ^ { 5 } - x ^ { 4 } - 10 x ^ { 3 } + 2 x ^ { 2 } + 5 x - 1$ .