A polynomial with integer coefficients is of the form \[x^3 + a_2 x^2 + a_1 x - 11 = 0.\]Enter all the possible integer roots of this polynomial, separated by commas.
1x^3 + a2x^2 + a1x - 11 = 0
The possible integer roots = p/q
All factors of - 11 / All factors of 1
So we have -11, 11, -1, 1