x² -14x +49 = 0 (7)

x² +7x -8 = 0

x² + x -30 = 0

x² - x -6 = 0

x² -2x -48 = 0

x² -6x -16 = 0

x² -2x -48 = 0

x² -6x +8 = 0

x² - x -72 = 0

x² +15x +54 = 0

x² -12x +32 = 0

x² -5x -6 = 0

x² - x -12 = 0

x² +7x -30 = 0

x² +14x +40 = 0

x² +2x -35 = 0

x² -25 = 0

x² - x -42 = 0

x² +13x +40 = 0

x² -5x -6 = 0

x² +6x -55 = 0

x² +10x +16 = 0

x² +2x -48 = 0

x² +7x -30 = 0

x² + x -12 = 0

x² -14x +45 = 0

x² -2x -3 = 0

x² -3x +2 = 0

x² +5x +6 = 0

x² +4x -21 = 0

x² -14x +49 = 0 (7)

x² +7x -8 = 0 (-8)

x² + x -30 = 0 (-6)

x² - x -6 = 0 (-2)

x² -2x -48 = 0 (-6)

x² -6x -16 = 0 (-2)

x² -2x -48 = 0 (-6)

x² -6x +8 = 0 (2)

x² - x -72 = 0 (-8)

x² +15x +54 = 0 (-9)

x² -12x +32 = 0 (4)

x² -5x -6 = 0 (-1)

x² - x -12 = 0 (-3)

x² +7x -30 = 0 (-10)

x² +14x +40 = 0 (-10)

x² +2x -35 = 0 (-7)

x² -25 = 0 (-5)

x² - x -42 = 0 (-6)

x² +13x +40 = 0 (-8)

x² -5x -6 = 0 (-1)

x² +6x -55 = 0 (-11)

x² +10x +16 = 0 (-8)

x² +2x -48 = 0 (-8)

x² +7x -30 = 0 (-10)

x² + x -12 = 0 (-4)

x² -14x +45 = 0 (5)

x² -2x -3 = 0 (-1)

x² -3x +2 = 0 (1)

x² +5x +6 = 0 (-3)

x² +4x -21 = 0 (-7)