List questions from cubics

Published on 27 Mar 2026 - 7:31

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Can $x^3+3x^2+1=0$ be solved using high school methods?

Published on 02 Dec 2013 - 0:17

140

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Show how to find the cubic root

Published on 07 Dec 2013 - 19:11

3.2k

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Factoring a cubic polynomial?

Published on 10 Dec 2013 - 22:46

263

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Which cube roots do we take in the cubic formula?

Published on 12 Dec 2013 - 21:54

193

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Dividing by zero in the cubic formula

Published on 18 Dec 2013 - 13:06

1.2k

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Absolute value of cubic polynomial roots lower than 1

Published on 23 Dec 2013 - 14:58

7.3k

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Cubic equation $ax^3+3bx^2+3cx+d = 0$ has $2$ equal roots. How can I find their value in terms of $a,b,c$?

Published on 25 Dec 2013 - 17:03

276

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Solving the system $(18xy^2+x^3, 27x^2y+54y^3)=(12, 38)$

Published on 30 Dec 2013 - 16:49

397

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Ramanujan's curious cubic identities

Published on 31 Dec 2013 - 0:52

6.4k

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$\alpha,\beta,\gamma$ are roots of cubic equation $x^3+4x-1=0$

Published on 31 Dec 2013 - 4:28

149

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how many triples of real numbers $(a,b,c)$ are there such that a,b,c are the roots of the equation

Published on 31 Dec 2013 - 16:00

189

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Exception on the Cubic Formula

Published on 06 Jan 2014 - 9:35

21.5k

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Cubic equation with two complex roots and one real root?

Published on 23 Jan 2014 - 23:36

5.3k

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Real and distinct roots of a cubic equation

Published on 30 Jan 2014 - 11:49

List Question

Solving Cubic Equations (With Origami)

Can $x^3+3x^2+1=0$ be solved using high school methods?

Show how to find the cubic root

Factoring a cubic polynomial?

Which cube roots do we take in the cubic formula?

Dividing by zero in the cubic formula

Absolute value of cubic polynomial roots lower than 1

Cubic equation $ax^3+3bx^2+3cx+d = 0$ has $2$ equal roots. How can I find their value in terms of $a,b,c$?

Solving the system $(18xy^2+x^3, 27x^2y+54y^3)=(12, 38)$

Ramanujan's curious cubic identities

$\alpha,\beta,\gamma$ are roots of cubic equation $x^3+4x-1=0$

how many triples of real numbers $(a,b,c)$ are there such that a,b,c are the roots of the equation

Exception on the Cubic Formula

Cubic equation with two complex roots and one real root?

Real and distinct roots of a cubic equation

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