solving $3x^2 +4x-2= 0\pmod{31}$
8784
modulo version of the quadratic formula and Euler's criterion
72023
Integer solutions of the equation $x^2+y^2+z^2 = 2xyz$
143194
How would you solve the diophantine $x^4+y^4=2z^2$
43683
Finding Inverse of 2 (mod m)
119630
For an odd prime $p$, $\;p =1 \pmod 4,\; \;x^2+1 = 0 \pmod p$
133680
On the equation $3x^3 + 4y^3 + 5z^3 = 0$
55049
How to find the inverse modulo $m$?
35643
How to use the method of "Hensel lifting" to solve $x^2 + x -1 \equiv 0\pmod {11^4}$?
153377
How to solve $y^2=3x^4+3x^2+1$ for integers.
6911
Solving 4 Quadratic Simultaneous Equations
67015
Solve $x^2 + 8 = 3^n$, where $x\in\mathbb N$.
95913
Solve for $x$: $2^x=4x$
68776
Solve in $C$ : $P(z)=z^4+2z^3+5z^2+4z+1=0$ where $P(i-\frac{1}{2}+i\frac{\sqrt 3}{2})=0$
55984
How can I find the answer to $\varphi(2^{400} + 2)$?
43537
How can $x^2y''-3xy'+3y=0$ be solved?
131395
Solving linear congruence $2x + 11 \equiv 7 \pmod 3$
155743
Why does the equation $x^2\equiv2 \pmod 5$ have no solutions?