x² - 5x + 6 = 0
                        ( 2 )

x² - 11x + 24 = 0
                        (    )

x² + 6x + 8 = 0
                        (    )

x² - 6x - 27 = 0
                        (    )

x² - 10x + 21 = 0
                        (    )

x² + 3x - 28 = 0
                        (    )

x² + x - 20 = 0
                        (    )

x² + 12x + 36 = 0
                        (    )

x² - 13x + 40 = 0
                        (    )

x² - 3x - 10 = 0
                        (    )

                      +[    ]

x² + 12x + 35 = 0
                        (    )

x² + 3x - 54 = 0
                        (    )

x² + 5x - 36 = 0
                        (    )

x² + 2x - 24 = 0
                        (    )

x² + 15x + 56 = 0
                        (    )

x² + 2x - 35 = 0
                        (    )

x² + 10x + 21 = 0
                        (    )

x² - 3x - 10 = 0
                        (    )

x² - 36 = 0
                        (    )

x² - 12x + 27 = 0
                        (    )

                      +[    ]

x² - 2x - 15 = 0
                        (    )

x² + 11x + 18 = 0
                        (    )

x² - 12x + 27 = 0
                        (    )

x² + 12x + 27 = 0
                        (    )

x² - 36 = 0
                        (    )

x² + 6x + 8 = 0
                        (    )

x² + 13x + 36 = 0
                        (    )

x² + 11x + 18 = 0
                        (    )

x² - x - 72 = 0
                        (    )

x² + 2x - 8 = 0
                        (    )

                      +[    ]
                 +++[[       ]]