Positive integer solutions to $3x^4-3x^2+1=y^2$
131108
Can $3p^4-3p^2+1$ be square number?
73079
Eliminating non-integer solutions to $ab / (2\sqrt{ab} + a + b)$
72389
Positive integer $n$ such that $2n+1$ , $3n+1$ are both perfect squares
9542
Integer solutions for $x^2-y^3 = 23$.
156468
Solutions to $a+b+c=12$, $a, b, c \in \mathbb{N}_0$
112575
Finding integer solutions of $m^2-n^5 = m - n$
20834
Integer solutions to $c=a^2-b^2$
65000
prove that $x^2 + y^2 = z^4$ has infinitely many solutions with $(x,y,z)=1$
35066
Nature and number of solutions to $xy=x+y$
77763
Proof that the equation $x^2 - 3y^2 = 1$ has infinite solutions for $x$ and $y$ being integers
15753
Solve the following equation in positive integers $x$ and $y$
105336
What are the solutions to $z^4+1=0$?
25078
What is the solution set for the equation$ x ^ y = y ^ x$ in positive real numbers, x not equal to y?
89677
Why there isn't any integer solutions in non-zero integers for $z^3 = 3(x^3 +y^3+2xyz)$?
46668
How to find integer solutions to $M^2=5N^2+2N+1$?
79544
Prove $x^3 + 3 =4y(y+1)$ has no integer solutions
25784
Let $x$ and $y$ be positive integers such that $xy \mid x^2+y^2+1$.