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HP 9g User Manual page 74

Graphing calculator
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(1) 2 X
2
– 7 X + 5 = 0
[
]
2 [
] [ ( – ) ] ] 7
[
] 5
[
]
(2) 25 X
2
– 70 X + 49 = 0
[
]
25 [
] [ ( – ) ]
70[
] 49
RUN
X
= 2.5 , X
= 1
1
2
X = 1.4
E-74

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