Answer:
x = 2.5 ± √1.25
which is
3.62, 1.38 to the nearest hundredth
Step-by-step explanation:
x^2 – 5x + 5 = 0
This won't factor so we use completing the square:
(x - 2.5)^2 - 6.25 + 5 = 0
(x - 2.5)^2 = -5 + 6.25 = 1.25
x - 2.5 = ±√1.25
x = 2.5 ± √1.25
