Résoudre dans ℝ les équations suivantes :
x3 - x2 = 0.
S = {0; 1; -1}.
S = {-1; 1; 2}.
S = {0; 1; i}.
S = {-1; 0; -i}.
x3 + 3/2 x2 + 3/4 x + 1/8 = 0.
S={-1; 1; -1/2}.
S={1/2}.
S={-1/2}.
S={-1; 1; 1/2}.
x3 + 3x2 + 3x + 1 = 0.
S = {-1; 1; -2}.
S = {-1}.
S = {1}.
x3 + 2x2 - x - 2 = 0.
S = {-1; 1; -i}.
S = {-1; 1; i}.
x3 - 2x2 - x + 2 = 0.