$\omega$ is a solution of $x^2+x+1=0$, find $\omega^{10}+\omega^5+3$
9118
Polynomial division: an obvious trick? [reducing mod $\textit{simpler}$ multiples]
157710
$x^{3}-x-2=0$ how do I find the roots?
137015
Solutions for $a^2+b^2+c^2=d^2$
81337
How to solve $(1-\tan^2x)\sec^2x+2^{\tan^2x}=0$
103993
Find all real solutions for $x$ in $2(2^x−1)x^2+(2^{x^2}−2)x=2^{x+1}−2$.
98570
Prove whether $f(n)$ is $O$, $o$, $\Omega$, $\omega$ or $\Theta$ of $g(n)$. $f(n) = n + (\log n)^{2}$, $g(n) = n + \log(n^{2})$.
13120
Find all integer solutions to $x^2+y^2+z^2=2xyz$
101289
Studying the equation $\ln(x)- 1+ x^2=0$
617
Find θ: $β=\arctan\frac{(R+r)·\sin(θ)-r·\sin(θ(1+\frac{R}{r}))}{(R+r)·\cos(θ)-r·\cos(θ(1+\frac{R}{r}))}$
39461
What is the solution of $\cos(x)=x$?
130542
Every natural number $n$ can be written as $n=s-t$ with $\omega(s)=\omega(t)$
97091
Help with basic Ordinal arithmetic: what is $(\omega+2)\cdot \omega$
44250
rational number solutions to $\frac{a}{a^2+1} + \frac{b}{b^2+1} = \frac{c}{c^2+1}$ with $abc\ne 0$
88760
Find the integral solutions to $ x^2+y^2+z^2=x^2y^2$
46668
How to find integer solutions to $M^2=5N^2+2N+1$?
56195
Find the minimum value of $\sin^{2} \theta +\cos^{2} \theta+\sec^{2} \theta+\csc^{2} \theta+\tan^{2} \theta+\cot^{2} \theta$
129813
Is there an easy proof for ${\aleph_\omega} ^ {\aleph_1} = {2}^{\aleph_1}\cdot{\aleph_\omega}^{\aleph_0}$?