Solve the equation $ { \sqrt{4+\sqrt{4+\sqrt{4-x}}}}=x $
33184
Something strange about $\sqrt{ 4+ \sqrt{ 4 + \sqrt{ 4-x}}}=x$ and its friends
50772
Solving a Linear Diophantine Equation
38849
Solve $x^y \, = \, y^x$
17542
Why is $\sqrt{-x}*\sqrt{-x}=-x?$
146753
Find $x$ such that $(x^2 + 4x + 3)^x + (2x + 4)^x = (x^2 + 4x + 5)^x$
64754
Find $x$ in the equation $ax^3+bx^2+cx=d$
153170
Find the number of solutions of the equation $e^{4x}+e^{3x}-4e^{2x}+e^x+1=0$
114529
Factoring/Reducing a polynomial $x^4 -2x^3 + 2x^2 + x + 4$
131941
Solve quadratic congruences.
95913
Solve for $x$: $2^x=4x$
8276
How do I get my equation to have the form $(x-a)^2 + (y-b)^2 + (z-c)^2-d = 0$?
115513
Find the minimum of $\sqrt{(x+1)^2+(y-1)^2}+\sqrt{(x+2)^2+(y+2)^2}+\sqrt{(x-1)^2+(y+1)^2}$ For real $x,y$
19073
Is there a general formula for solving 4th degree equations (quartic)?
153111
factoring a quadratic equation
30331
Steps to solve this system of equations: $\sqrt{x}+y=7$, $\sqrt{y}+x=11$
51518
Is $\sqrt[3]{p+q\sqrt{3}}+\sqrt[3]{p-q\sqrt{3}}=n$, $(p,q,n)\in\mathbb{N} ^3$ solvable?
13909
How to find the roots of $x^4 +1$