slove by formula: 5x²-4x-2=0
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Answer:
slove by formula: 5x²-4x-2=0
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0
Answer:
Answer
5m
2
−4m−2=0
a=5,b=−4,c=−2
m=
2a
−b±
b
2
−4ac
m=
2⋅5
−(−4)±
(−4)
2
−4⋅5(−2)
=
10
4±
56
m=
5
2±
14
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