How to solve $1+2^{a}+2^{2a+1}=b^2$
15753
Solve the following equation in positive integers $x$ and $y$
20705
On equations $m^2+1=5^n$
156873
Solve the equation $\binom{2n+1}{n+2} = \binom{2n+1}{5} $
53503
Solving the diophantine equation $y^{2}=x^{3}-2$
143194
How would you solve the diophantine $x^4+y^4=2z^2$
63194
Find all integer solutions to $x^2-2y^2=1$
103276
Solving an equation over the reals: $ x^3 + 1 = 2\sqrt[3]{{2x - 1}}$
85449
Show a,b,c congruences when $a^2+b^2=c^2$
155012
Solving quadratic equations in modular arithmetic
94217
Solve the equation $x^n=a$ in a finite field
38662
If $a,b$ are the roots of the equation $2 x^2 -3 x +1 = 0$, find an equation whose roots are $a/(2b +3)$, $b/(2a +3)$
81337
How to solve $(1-\tan^2x)\sec^2x+2^{\tan^2x}=0$
113230
How can we factor $ q^4 + q^2 + 1$
153377
How to solve $y^2=3x^4+3x^2+1$ for integers.
61533
Solution af a system of 2 quadratic equations
6777
Showing $(a^{2}+2)(b^{2}+2)(c^{2}+2)\geq 9(ab+bc+ca)$
103993
Find all real solutions for $x$ in $2(2^x−1)x^2+(2^{x^2}−2)x=2^{x+1}−2$.