x² + 3x - 10 = 0 x = -(3) ± √((3)² - 4(1)(-10)) 2(1) x = -3 ± √(9 + 40) 2 x = -3 ± √(49) 2 x = -3 ± 7 2 x = -3 + 7 U x = -3 - 7 2 2 x = 4 U x = -10 2 2 x = 2 U x = -5
To answer you get the same denominator so multiply both denominators with each other and do the same with the top so 25 will be at both bottoms and well 15/25 and 8/25. Then solve