Question

Use Cardano’s formula to evaluate the solution of cubic equation $x^3-6x^2+3x+10=0$

score 77 · Answer 1 · 2020-02-07 03:22:27

77

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Use Cardano’s formula to evaluate the solution of cubic equation $x^3-6x^2+3x+10=0$

Published on 07 Feb 2020 - 3:22

score 474 · Answer 2 · 2020-02-07 06:04:21

474

Views

Third degree equation

Published on 07 Feb 2020 - 6:04

score 363 · Answer 3 · 2026-03-25 06:04:21

363

Views

What is the condition that a cubic equation $x^3+ax^2+bx+c=0$ has exactly three positive real root?

Published on 25 Mar 2026 - 6:04

score 49 · Answer 4 · 2020-02-13 15:20:38

49

Views

How to factor a simple algebraic expression?

Published on 13 Feb 2020 - 15:20

score 107 · Answer 5 · 2020-02-13 17:55:49

107

Views

How can I solve the following equation for $x , y$.

Published on 13 Feb 2020 - 17:55

score 104 · Answer 6 · 2020-02-16 06:57:29

104

Views

Radical extension and cubic

Published on 16 Feb 2020 - 6:57

score 350 · Answer 7 · 2020-02-16 14:16:54

350

Views

Finding a cubic formula for roots of cubic equations

Published on 16 Feb 2020 - 14:16

score 146 · Answer 8 · 2020-02-18 05:54:42

146

Views

Solving degree 3 equations

Published on 18 Feb 2020 - 5:54

score 2.2k · Answer 9 · 2020-02-21 10:34:08

2.2k

Views

Let a,b and c be the roots of the equation $x^3-9x^2+11x-1=0$ and $s=\sqrt a +\sqrt b +\sqrt c$

Published on 21 Feb 2020 - 10:34

score 961 · Answer 10 · 2020-02-25 02:53:05

961

Views

Prove $2\cos\frac{2\pi}{7}$ is root of $x^3 + x^2 - 2x -1$

Published on 25 Feb 2020 - 2:53

score 189 · Answer 11 · 2020-02-25 13:08:56

189

Views

Question about the parametrization of a cubic surface

Published on 25 Feb 2020 - 13:08

score 240 · Answer 12 · 2026-03-25 07:46:27

240

Views

Given that $x_1, x_2, x_3$ are the roots of the polynomial $x^3-2x^2+3x+5=0$ find $(x_2-x_1)^2(x_3-x_1)^2(x_3-x_2)^2$.

Published on 25 Mar 2026 - 7:46

score 168 · Answer 13 · 2020-02-29 22:06:58

168

Views

Prove that, there are 4 real roots of system of equations: $\begin{cases} y^2+x=11 \\ x^2+y=7 \end{cases}$

Published on 29 Feb 2020 - 22:06

score 103 · Answer 14 · 2020-03-01 18:12:59

103

Views

Find $\lfloor k^4\rfloor$ where $k^3 - 5k^2 + 2 = 0$.

Published on 01 Mar 2020 - 18:12

score 100 · Answer 15 · 2020-03-08 00:20:58

100

Views

Why after depressing a cubic does it have different roots?

Published on 08 Mar 2020 - 0:20

List Question

Use Cardano’s formula to evaluate the solution of cubic equation $x^3-6x^2+3x+10=0$

Third degree equation

What is the condition that a cubic equation $x^3+ax^2+bx+c=0$ has exactly three positive real root?

How to factor a simple algebraic expression?

How can I solve the following equation for $x , y$.

Radical extension and cubic

Finding a cubic formula for roots of cubic equations

Solving degree 3 equations

Let a,b and c be the roots of the equation $x^3-9x^2+11x-1=0$ and $s=\sqrt a +\sqrt b +\sqrt c$

Prove $2\cos\frac{2\pi}{7}$ is root of $x^3 + x^2 - 2x -1$

Question about the parametrization of a cubic surface

Given that $x_1, x_2, x_3$ are the roots of the polynomial $x^3-2x^2+3x+5=0$ find $(x_2-x_1)^2(x_3-x_1)^2(x_3-x_2)^2$.

Prove that, there are 4 real roots of system of equations: $\begin{cases} y^2+x=11 \\ x^2+y=7 \end{cases}$

Find $\lfloor k^4\rfloor$ where $k^3 - 5k^2 + 2 = 0$.

Why after depressing a cubic does it have different roots?

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