List questions from quadratics

Published on 25 Mar 2026 - 15:47

116

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Quadratic equation, find $1/x_1^3+1/x_2^3$

Published on 28 Mar 2026 - 15:26

556

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How can I solve $x^2+2xy+y^2+3x-3y-18=0$

Published on 29 Jan 2017 - 18:20

120

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How to solve $x^2-(a+1)x+2a-2=0$ for every parameter $a$ from $\mathbb R$

Published on 31 Mar 2026 - 18:20

66

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what does power of $2$ in $x^2$ represent

Published on 30 Jan 2017 - 16:51

10.2k

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Why does the discriminant tell us how many zeroes a quadratic equation has?

Published on 30 Jan 2017 - 23:49

157

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How do I solve this integral containing multiple square roots?

Published on 04 Apr 2026 - 7:48

89

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Other factors of the equation $2x^4 + 4x^3\sin A\sin B -\cdots$

Published on 31 Jan 2017 - 13:57

318

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Find other root of equation $4x^2+ 2x –1 = 0$.

Published on 31 Jan 2017 - 14:15

1.3k

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Finite number of solutions to an equation

Published on 01 Feb 2017 - 9:19

68

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If one of quadratic equations doesn't have roots, the other one has them

Published on 01 Feb 2017 - 18:14

56

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If $a$, $b$, and $c$ are reals for which there is a real number $x \not = 0$ such that $ax^2 + bx + c = 0$, then $cx^2 + bx + a$ has a rational root.

Published on 02 Feb 2017 - 4:34

188

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How do I solve $(x+1)^5 +36x+36 = 13(x+1)^3$?

Published on 02 Feb 2017 - 5:56

85

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What do I miss? $\ln(x^2 -4) = \ln(1-4x)$, $x \neq 1$

Published on 02 Feb 2017 - 19:18

57

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Simultaneous equation that turns into quadratic

Published on 02 Feb 2017 - 22:58

List Question

How do you solve a system of quadratic equations?

Quadratic equation, find $1/x_1^3+1/x_2^3$

How can I solve $x^2+2xy+y^2+3x-3y-18=0$

How to solve $x^2-(a+1)x+2a-2=0$ for every parameter $a$ from $\mathbb R$

what does power of $2$ in $x^2$ represent

Why does the discriminant tell us how many zeroes a quadratic equation has?

How do I solve this integral containing multiple square roots?

Other factors of the equation $2x^4 + 4x^3\sin A\sin B -\cdots$

Find other root of equation $4x^2+ 2x –1 = 0$.

Finite number of solutions to an equation

If one of quadratic equations doesn't have roots, the other one has them

If $a$, $b$, and $c$ are reals for which there is a real number $x \not = 0$ such that $ax^2 + bx + c = 0$, then $cx^2 + bx + a$ has a rational root.

How do I solve $(x+1)^5 +36x+36 = 13(x+1)^3$?

What do I miss? $\ln(x^2 -4) = \ln(1-4x)$, $x \neq 1$

Simultaneous equation that turns into quadratic

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