In[13]:= a = Range[10]/10
Out[13]= {1/10, 1/5, 3/10, 2/5, 1/2, 3/5, 7/10, 4/5, 9/10, 1}
In[14]:= Table[NSolve[x^5 - a[[i]]*x - 1 == 0, x], {i, 10}]
Out[14]= {{{x -> -0.802967 - 0.568379 I}, {x -> -0.802967 +
0.568379 I}, {x -> 0.293163 - 0.96304 I}, {x ->
0.293163 + 0.96304 I}, {x ->
1.01961}}, {{x -> -0.797202 - 0.548183 I}, {x -> -0.797202 +
0.548183 I}, {x -> 0.27797 - 0.975447 I}, {x ->
0.27797 + 0.975447 I}, {x ->
1.03846}}, {{x -> -0.79176 - 0.527168 I}, {x -> -0.79176 +
0.527168 I}, {x -> 0.263454 - 0.988232 I}, {x ->
0.263454 + 0.988232 I}, {x ->
1.05661}}, {{x -> -0.786675 - 0.5053 I}, {x -> -0.786675 +
0.5053 I}, {x -> 0.249625 - 1.00134 I}, {x ->
0.249625 + 1.00134 I}, {x ->
1.0741}}, {{x -> -0.781977 - 0.482538 I}, {x -> -0.781977 +
0.482538 I}, {x -> 0.236492 - 1.01473 I}, {x ->
0.236492 + 1.01473 I}, {x ->
1.09097}}, {{x -> -0.77769 - 0.458827 I}, {x -> -0.77769 +
0.458827 I}, {x -> 0.22406 - 1.02834 I}, {x ->
0.22406 + 1.02834 I}, {x ->
1.10726}}, {{x -> -0.77383 - 0.434095 I}, {x -> -0.77383 +
0.434095 I}, {x -> 0.212328 - 1.04213 I}, {x ->
0.212328 + 1.04213 I}, {x ->
1.123}}, {{x -> -0.770409 - 0.408237 I}, {x -> -0.770409 +
0.408237 I}, {x -> 0.201289 - 1.05602 I}, {x ->
0.201289 + 1.05602 I}, {x ->
1.13824}}, {{x -> -0.767428 - 0.381103 I}, {x -> -0.767428 +
0.381103 I}, {x -> 0.19093 - 1.06998 I}, {x ->
0.19093 + 1.06998 I}, {x ->
1.153}}, {{x -> -0.764884 - 0.352472 I}, {x -> -0.764884 +
0.352472 I}, {x -> 0.181232 - 1.08395 I}, {x ->
0.181232 + 1.08395 I}, {x -> 1.1673}}}