x² - 10x + 25 = 0
                        ( 5 )

x² - 5x - 36 = 0
                        (    )

x² + 5x - 14 = 0
                        (    )

x² + 14x + 48 = 0
                        (    )

x² + 5x - 36 = 0
                        (    )

x² - 10x + 24 = 0
                        (    )

x² + 9x + 18 = 0
                        (    )

x² + 7x - 18 = 0
                        (    )

x² - 13x + 40 = 0
                        (    )

x² - 3x - 40 = 0
                        (    )

                      +[    ]

x² - 5x + 6 = 0
                        (    )

x² + 6x - 16 = 0
                        (    )

x² - 10x + 21 = 0
                        (    )

x² - 7x + 12 = 0
                        (    )

x² - x - 6 = 0
                        (    )

x² + 10x + 21 = 0
                        (    )

x² - 4x - 12 = 0
                        (    )

x² - x - 42 = 0
                        (    )

x² + 2x - 15 = 0
                        (    )

x² + 5x + 6 = 0
                        (    )

                      +[    ]

x² + 16x + 63 = 0
                        (    )

x² - 14x + 49 = 0
                        (    )

x² + x - 6 = 0
                        (    )

x² - x - 12 = 0
                        (    )

x² + x - 12 = 0
                        (    )

x² + 12x + 27 = 0
                        (    )

x² - 6x - 27 = 0
                        (    )

x² - 3x - 18 = 0
                        (    )

x² + 3x - 54 = 0
                        (    )

x² - 5x - 36 = 0
                        (    )

                      +[    ]
                 +++[[       ]]