Question

How to factorize the quintic polynomial $2x^5 + 6x^4 + 7x^3 + 21x^2 + 5x + 15$?

score 641 · Answer 1 · 2026-02-23 04:56:27

641

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How to factorize the quintic polynomial $2x^5 + 6x^4 + 7x^3 + 21x^2 + 5x + 15$?

Published on 23 Feb 2026 - 4:56

score 68 · Answer 2 · 2019-10-20 14:06:07

68

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Finding the value of C in this function

Published on 20 Oct 2019 - 14:06

score 235 · Answer 3 · 2019-10-20 15:37:06

235

Views

Adding the polynomials (bytes) in the ring $Z_2 [x]/(x^8+x^4+x^3+x+1)=GF(2^8)$

Published on 20 Oct 2019 - 15:37

score 93 · Answer 4 · 2019-10-22 10:26:20

93

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How do I solve a problem with term $a^{n} + b^{n}$?

Published on 22 Oct 2019 - 10:26

score 99 · Answer 5 · 2019-10-23 04:38:45

99

Views

$10000=abc$ with $a,b,c$ natural numbers don't have digit $0$. Smallest possible value of $a+b+c$ is?

Published on 23 Oct 2019 - 4:38

score 2.4k · Answer 6 · 2019-10-25 03:30:54

2.4k

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How to find complex roots of $x^7-1=0$

Published on 25 Oct 2019 - 3:30

score 43 · Answer 7 · 2019-10-25 22:12:41

43

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Prove $Re(x_i)=-\frac{m}{2}$, where $x_i$ are roots of equation $(x+m)^n-x^n $

Published on 25 Oct 2019 - 22:12

score 38 · Answer 8 · 2026-03-29 09:18:56

38

Views

How to do this partial decomposition fraction?

Published on 29 Mar 2026 - 9:18

score 75 · Answer 9 · 2026-03-29 08:45:05

75

Views

Is there a solution to $\prod_{i=1}^n(x_i+1)=\sum_{i=1}^np_i(x_i+1)$ for polynomials over the naturals such that all $p_i\not\equiv 0$?

Published on 29 Mar 2026 - 8:45

score 68 · Answer 10 · 2019-10-28 11:12:21

68

Views

Describe the ring $\mathbb{Z}[x]/I$ for the ideals $I$

Published on 28 Oct 2019 - 11:12

score 289 · Answer 11 · 2019-10-28 14:54:30

289

Views

Exchanging integral and product

Published on 28 Oct 2019 - 14:54

score 76 · Answer 12 · 2026-03-27 19:15:33

76

Views

Show $(a^2 + b^2 + c^2 + d^2)^3 \ge 3 (a^3 + b^3 + c^3 + d^3)^2$

Published on 27 Mar 2026 - 19:15

score 33 · Answer 13 · 2019-10-29 22:06:09

33

Views

Can a factor of a number be divided by a number that will not evenly divide the original factored number?

Published on 29 Oct 2019 - 22:06

score 89 · Answer 14 · 2026-03-25 14:39:19

89

Views

The factors of a tetration plus an integer

Published on 25 Mar 2026 - 14:39

score 89 · Answer 15 · 2019-11-01 03:51:56

89

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Which numbers can be realized in the form $a^x - b^x$ for $a, b$ of opposite parity and $x$ even?

Published on 01 Nov 2019 - 3:51

List Question

How to factorize the quintic polynomial $2x^5 + 6x^4 + 7x^3 + 21x^2 + 5x + 15$?

Finding the value of C in this function

Adding the polynomials (bytes) in the ring $Z_2 [x]/(x^8+x^4+x^3+x+1)=GF(2^8)$

How do I solve a problem with term $a^{n} + b^{n}$?

$10000=abc$ with $a,b,c$ natural numbers don't have digit $0$. Smallest possible value of $a+b+c$ is?

How to find complex roots of $x^7-1=0$

Prove $Re(x_i)=-\frac{m}{2}$, where $x_i$ are roots of equation $(x+m)^n-x^n $

How to do this partial decomposition fraction?

Is there a solution to $\prod_{i=1}^n(x_i+1)=\sum_{i=1}^np_i(x_i+1)$ for polynomials over the naturals such that all $p_i\not\equiv 0$?

Describe the ring $\mathbb{Z}[x]/I$ for the ideals $I$

Exchanging integral and product

Show $(a^2 + b^2 + c^2 + d^2)^3 \ge 3 (a^3 + b^3 + c^3 + d^3)^2$

Can a factor of a number be divided by a number that will not evenly divide the original factored number?

The factors of a tetration plus an integer

Which numbers can be realized in the form $a^x - b^x$ for $a, b$ of opposite parity and $x$ even?

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