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ordenando:
x² + x - 182 = 0
x 14
x -13
x+14 = 0 v x - 13 = 0
x = -14 v x = 13
el número es 13
x +14
x -13
-13x +14x = x
(x+14)(x-13)= 0
x+14 = 0 x - 13 = 0
x = -14 x = 13
CS = (-14 ; 13)