x² + 7x + 10 = 0
                        ( -5 )

x² - 13x + 36 = 0
                        (    )

x² + 6x + 8 = 0
                        (    )

x² - 9x + 20 = 0
                        (    )

x² - 9x + 20 = 0
                        (    )

x² - 2x - 15 = 0
                        (    )

x² - 14x + 45 = 0
                        (    )

x² + 13x + 40 = 0
                        (    )

x² + 2x - 24 = 0
                        (    )

x² + 6x - 16 = 0
                        (    )

                      +[    ]

x² - 2x - 24 = 0
                        (    )

x² - 4x - 32 = 0
                        (    )

x² - 10x + 21 = 0
                        (    )

x² + 5x + 6 = 0
                        (    )

x² - x - 20 = 0
                        (    )

x² + 15x + 54 = 0
                        (    )

x² - 13x + 40 = 0
                        (    )

x² - 64 = 0
                        (    )

x² + 9x + 20 = 0
                        (    )

x² - 15x + 54 = 0
                        (    )

                      +[    ]

x² - 2x - 24 = 0
                        (    )

x² - 3x - 10 = 0
                        (    )

x² - 7x + 10 = 0
                        (    )

x² - 9x + 18 = 0
                        (    )

x² - 6x - 27 = 0
                        (    )

x² + 11x + 28 = 0
                        (    )

x² + 6x + 8 = 0
                        (    )

x² - 7x + 12 = 0
                        (    )

x² + 9x + 14 = 0
                        (    )

x² + 2x - 15 = 0
                        (    )

                      +[    ]
                 +++[[       ]]