x² +2x -80 = 0 (-10)

x² -8x +16 = 0

x² +6x +8 = 0

x² +3x -88 = 0

x² -4x -21 = 0

x² +5x +4 = 0

x² -14x +49 = 0

x² +5x -66 = 0

x² -12x +36 = 0

x² -13x +40 = 0

x² +13x +30 = 0

x² +15x +50 = 0

x² -4x -32 = 0

x² +4x -32 = 0

x² -4x -21 = 0

x² +17x +66 = 0

x² -11x +28 = 0

x² -2x -63 = 0

x² - x -6 = 0

x² -15x +54 = 0

x² + x -2 = 0

x² +2x -48 = 0

x² -5x -36 = 0

x² - x -42 = 0

x² +3x -70 = 0

x² +2x -63 = 0

x² -3x -4 = 0

x² +4x +3 = 0

x² +7x +12 = 0

x² -8x +7 = 0

x² +2x -80 = 0 (-10)

x² -8x +16 = 0 (4)

x² +6x +8 = 0 (-4)

x² +3x -88 = 0 (-11)

x² -4x -21 = 0 (-3)

x² +5x +4 = 0 (-4)

x² -14x +49 = 0 (7)

x² +5x -66 = 0 (-11)

x² -12x +36 = 0 (6)

x² -13x +40 = 0 (5)

x² +13x +30 = 0 (-10)

x² +15x +50 = 0 (-10)

x² -4x -32 = 0 (-4)

x² +4x -32 = 0 (-8)

x² -4x -21 = 0 (-3)

x² +17x +66 = 0 (-11)

x² -11x +28 = 0 (4)

x² -2x -63 = 0 (-7)

x² - x -6 = 0 (-2)

x² -15x +54 = 0 (6)

x² + x -2 = 0 (-2)

x² +2x -48 = 0 (-8)

x² -5x -36 = 0 (-4)

x² - x -42 = 0 (-6)

x² +3x -70 = 0 (-10)

x² +2x -63 = 0 (-9)

x² -3x -4 = 0 (-1)

x² +4x +3 = 0 (-3)

x² +7x +12 = 0 (-4)

x² -8x +7 = 0 (1)