Solving a simple cubic equation. A trick you should know!
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31:27
EXTREME quintic equation! (very tiring)
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9:16
What is the value of this sum?
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12:32
Can you solve the water glass and wine bottle riddles?
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11:45
Solving a Cubic equation Using an Algebraic Trick
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14:24
Cubic Formula for Depressed Cubic
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6:58
Can you solve this?
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20:19
Amadores acabaram de resolver um problema de matemática de 30 anos
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36:58