x² + 2x - 48 = 0
                        ( -8 )

x² - 12x + 32 = 0
                        (    )

x² - 49 = 0
                        (    )

x² + x - 42 = 0
                        (    )

x² - x - 56 = 0
                        (    )

x² - 8x + 12 = 0
                        (    )

x² - 5x + 6 = 0
                        (    )

x² - x - 20 = 0
                        (    )

x² - 5x - 14 = 0
                        (    )

x² + 5x - 24 = 0
                        (    )

                      +[    ]

x² + 6x - 27 = 0
                        (    )

x² + 3x - 18 = 0
                        (    )

x² + 5x - 14 = 0
                        (    )

x² - 36 = 0
                        (    )

x² + 9x + 18 = 0
                        (    )

x² - 16x + 63 = 0
                        (    )

x² - 12x + 32 = 0
                        (    )

x² - 4x - 45 = 0
                        (    )

x² - 5x + 6 = 0
                        (    )

x² - 2x - 24 = 0
                        (    )

                      +[    ]

x² - 15x + 56 = 0
                        (    )

x² - x - 56 = 0
                        (    )

x² + 5x - 36 = 0
                        (    )

x² - 5x + 6 = 0
                        (    )

x² + 7x + 12 = 0
                        (    )

x² - 49 = 0
                        (    )

x² - 5x + 6 = 0
                        (    )

x² - x - 6 = 0
                        (    )

x² + 6x + 9 = 0
                        (    )

x² + x - 72 = 0
                        (    )

                      +[    ]
                 +++[[       ]]