Answer:
a = 5 b = -2 c = -1
x = [--2 +-sq root(-2 ^ 2 - 4 * 5 * -1)] / 2 * 5
x = [2 +-sq root (4 - -20)] / 10
x = [2 + sq root (24)] / 10
x = (2 + 4.8989794856
) / 10
x = 6.8989794856 / 10
x1 = .6899
x2= (2 - 4.8989794856
) / 10
x2 = - 2.8989794856 / 10
x2 = -.2899
Step-by-step explanation:
