Question

Sum of all the possible real solutions of $(x^2+4x+5)^{(x^2+4x+5)^{(x^2+4x+5)}}=2018$

score 103 · Answer 1 · 2019-02-14 20:34:56

103

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Sum of all the possible real solutions of $(x^2+4x+5)^{(x^2+4x+5)^{(x^2+4x+5)}}=2018$

Published on 14 Feb 2019 - 20:34

score 347 · Answer 2 · 2026-03-25 01:34:07

347

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Derive the implicit cone equation from the implicit circle equation

Published on 25 Mar 2026 - 1:34

score 21 · Answer 3 · 2019-02-16 21:52:11

What is the rule to "guess" how to multiply both equations of a system so that their sum solves in "good" (perfect squares) numbers?

score 59 · Answer 4 · 2026-03-25 14:22:25

59

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prove commuting quadratic functions of real numbers are equal

Published on 25 Mar 2026 - 14:22

score 49 · Answer 5 · 2019-02-18 06:44:30

49

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If $ax^2+bx+c<x$, for any $x$ then is $b\ge 1$ or $b <1$ or $c=0$ or $a\le 0$?

Published on 18 Feb 2019 - 6:44

score 28 · Answer 6 · 2026-03-25 22:04:21

28

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How many solutions are for the quadratic equation $(12+a)x^2+12ax+9a=0$

Published on 25 Mar 2026 - 22:04

score 121 · Answer 7 · 2019-02-18 18:36:00

121

Views

How to properly write a solutions of quadratic equation on one line?

Published on 18 Feb 2019 - 18:36

score 73 · Answer 8 · 2019-02-20 15:26:19

73

Views

$3x^2+5xy-2y^2-3x+8y+\lambda$ How to express as two factors

Published on 20 Feb 2019 - 15:26

score 97 · Answer 9 · 2019-02-20 18:01:08

97

Views

Generating function with multiple variables with perfect square

Published on 20 Feb 2019 - 18:01

score 74 · Answer 10 · 2019-02-21 01:11:03

74

Views

How to deal with $x^T(A^TA+B^TB)x$?

Published on 21 Feb 2019 - 1:11

score 36 · Answer 11 · 2019-02-21 09:47:01

36

Views

Function with 2 unknowns and one needs to be solved

Published on 21 Feb 2019 - 9:47

score 379 · Answer 12 · 2026-03-27 18:09:32

379

Views

What is the Hessian w.r.t. to matrix X of this quadratic function?

Published on 27 Mar 2026 - 18:09

score 142 · Answer 13 · 2026-03-25 04:43:35

142

Views

Question from the 2011 IMC (International Mathematics Competition) Key Stage III paper, about the evaluation of a quadratic equation

Published on 25 Mar 2026 - 4:43

score 687 · Answer 14 · 2019-02-23 17:48:03

687

Views

The roots of the equation $z^2+pz+q=0,$ where $p,q$ are complex numbers, are ..

Published on 23 Feb 2019 - 17:48

score 64 · Answer 15 · 2026-03-24 22:08:15

64

Views

Where does this answer come from? $2x^2+4x+c-1=0$

Published on 24 Mar 2026 - 22:08

List Question

Sum of all the possible real solutions of $(x^2+4x+5)^{(x^2+4x+5)^{(x^2+4x+5)}}=2018$

Derive the implicit cone equation from the implicit circle equation

What is the rule to "guess" how to multiply both equations of a system so that their sum solves in "good" (perfect squares) numbers?

prove commuting quadratic functions of real numbers are equal

If $ax^2+bx+c<x$, for any $x$ then is $b\ge 1$ or $b <1$ or $c=0$ or $a\le 0$?

How many solutions are for the quadratic equation $(12+a)x^2+12ax+9a=0$

How to properly write a solutions of quadratic equation on one line?

$3x^2+5xy-2y^2-3x+8y+\lambda$ How to express as two factors

Generating function with multiple variables with perfect square

How to deal with $x^T(A^TA+B^TB)x$?

Function with 2 unknowns and one needs to be solved

What is the Hessian w.r.t. to matrix X of this quadratic function?

Question from the 2011 IMC (International Mathematics Competition) Key Stage III paper, about the evaluation of a quadratic equation

The roots of the equation $z^2+pz+q=0,$ where $p,q$ are complex numbers, are ..

Where does this answer come from? $2x^2+4x+c-1=0$

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