F-71
RUN
(1) 2 X
2
– 7 X + 5 = 0
X
1
= 2.5 , X
= 1
[
]
2 [
] [ ( – ) ] ] 7 [
] 5
(2) 25 X
– 70 X + 49 = 0
X = 1.4
25 [
] [ ( – ) ] 70[
49