F-72
RUN
(1) 2 X 2 – 7 X + 5 = 0
X 1 = 2.5 , X 2 = 1
[
]
2 [
] [ ( – ) ] ] 7
] 5
(2) 25 X
2
– 70 X + 49 = 0
X = 1.4
