x² - 64 = 0
                        ( -8 )

x² + 5x - 36 = 0
                        (    )

x² - 7x + 12 = 0
                        (    )

x² - 25 = 0
                        (    )

x² + 14x + 48 = 0
                        (    )

x² - x - 42 = 0
                        (    )

x² + 13x + 42 = 0
                        (    )

x² + 15x + 56 = 0
                        (    )

x² - 4x - 32 = 0
                        (    )

x² - 25 = 0
                        (    )

                      +[    ]

x² - 2x - 63 = 0
                        (    )

x² - 6x - 16 = 0
                        (    )

x² - 6x - 27 = 0
                        (    )

x² - x - 72 = 0
                        (    )

x² - 15x + 56 = 0
                        (    )

x² + 13x + 36 = 0
                        (    )

x² - 9 = 0
                        (    )

x² - x - 12 = 0
                        (    )

x² + 3x - 28 = 0
                        (    )

x² - 13x + 36 = 0
                        (    )

                      +[    ]

x² + x - 30 = 0
                        (    )

x² + 2x - 8 = 0
                        (    )

x² - 10x + 24 = 0
                        (    )

x² + 14x + 45 = 0
                        (    )

x² - 5x - 24 = 0
                        (    )

x² - x - 56 = 0
                        (    )

x² - 8x + 15 = 0
                        (    )

x² - 2x - 35 = 0
                        (    )

x² - 5x + 6 = 0
                        (    )

x² + 3x - 54 = 0
                        (    )

                      +[    ]
                 +++[[       ]]