=> [[[-,1,4,1],[1,9,-,2],[6,4,-,8]] |[[0],[1],[0]]| [[-,3],[4],[-,5]]] => [[],[L_2,=,L_2,+,L_1],[L_3,=,L_3,+,6,L_1]] => [[[-,1,4,1],[0,13,-,1],[0,28,-,2]] |[[0],[1],[0]]| [[-,3],[1],[-,23]]] =>
=> [[[-,1,4,1],[0,13,-,1],[0,28,-,2]] |[[0],[1],[0]]| [[-,3],[1],[-,23]]] => [[],[],[L_3,=,L_3,-,2,L_2]] => [[[-,1,4,1],[0,13,-,1],[0,2,0]] |[[0],[1],[-,2]]| [[-,3],[1],[-,25]]] =>
=> [[[-,1,4,1],[0,13,-,1],[0,28,-,2]] |[[0],[1],[0]]| [[-,3],[1],[-,23]]] => [[],[],[L_3,=,(1)/(2) L_3]] => [[[-,1,4,1],[0,13,-,1],[0,1,0]] |[[0],[1],[-,1]]| [[-,3],[1],[-,(25)/(2)]]] =>
=> [[[-,1,4,1],[0,13,-,1],[0,1,0]] |[[0],[1],[-,1]]| [[-,3],[1],[-,(25)/(2)]]] => [[],[],[L_3,<=>,L_2]] => [[[-,1,4,1],[0,1,0],[0,13,-,1]] |[[0],[-,1],[1]]| [[-,3],[-,(25)/(2)],[1]]] =>
=> [[[-,1,4,1],[0,1,0],[0,13,-,1]] |[[0],[-,1],[1]]| [[-,3],[-,(25)/(2)],[1]]] => [[],[],[L_3,=,L_3,-,13,L_2]] => [[[-,1,4,1],[0,1,0],[0,0,-,1]] |[[0],[-,1],[14]]| [[-,3],[-,(25)/(2)],[(32 7)/(2)]]] =>
=> [[[-,1,4,1],[0,1,0],[0,0,-,1]] |[[0],[-,1],[14]]| [[-,3],[-,(25)/(2)],[(32 7)/(2)]]] => [[L_1,=,-,L_1,],[],[L_3,=,-,L_3]] => [[[1,-,4,-,1],[0,1,0],[0,0,1]] |[[0],[-,1],[-,14]]| [[3],[-,(25)/(2)],[-,(32 7)/(2)]]] =>
=> [[[1,-,4,-,1],[0,1,0],[0,0,1]] |[[0],[-,1],[-,14]]| [[3],[-,(25)/(2)],[-,(32 7)/(2)]]] => [[,L_1,=,L_1,+,4,L_2],[],[]] => [[[1,0,-,1],[0,1,0],[0,0,1]] |[[-,4],[-,1],[-,14]]| [[-,97],[-,(25)/(2)],[-,(32 7)/(2)]]] =>
=> [[[1,0,-,1],[0,1,0],[0,0,1]] |[[-,4],[-,1],[-,14]]| [[-,97],[-,(25)/(2)],[-,(32 7)/(2)]]] => [[,L_1,=,L_1,+,L_3],[],[]] => [[[1,0,0],[0,1,0],[0,0,1]] |[[-,18],[-,1],[-,14]]| [[-,(519)/(2)],[-,(25)/(2)],[-,(32 7)/(2)]]] =>
Portanto (i)
x_1 = - 18 , x_2 = - 1 e x_3 = - 14
e ( ii )
x_1 = - (519)/(2) , x_2 = - (25)/(2) e x_3 = - (32 7)/(2)