24 + 11x + x² =0
x² = 16x - 63
105 = x + 2x²
5a² - 5 = 0
2a² - 4a + 2 = 0
4x² + 32x - 36 = 0
5x² - 7x + 8 = 0
12m² - 13m - 35 = 0
4x² - 5x + 3 = 0
