Solve the set of lincar equations with the LU Factorization Method (Triangulation Method) 2x1 + x2 5x1 - 2x +x2 3x3 Note: Show what you have done in your calculations at every step in detail. Otherwise, even if your calculation result is correct, it will not be graded. -X3 = 1 = + 2x3 = 2 +x3 = 5