How does squaring both sides of an equation lead to extraneous solutions?
86688
Why can't you square both sides of an equation?
88345
Equation exceeds one column of IEEE
61533
Solution af a system of 2 quadratic equations
141162
Is multicolinearity problem ignorable under this situation?
89859
I have a problem with power equations
17452
Is differentiating on both sides of an equation allowed?
18510
How to solve the following equation numerically?
97356
equations that are too large to fit on one line
82016
Given $p^2+q^2+r^2+1=s+\sqrt{p+q+r-s}$, solve for $s$
17265
Intuition for why equations of the form $k^x=x^c$ are not solvable trivially?
86603
Infinite square-rooting
41943
Why is it that when proving trig identities, one must work both sides independently?
29076
Two different solutions to integral
125999
When does a system of equations have no solution?
85351
Standard Deviation. Why do we take the square root of the entire equation?
82630
How is it, that $\sqrt{x^2}$ is not $ x$, but $|x|$?
128425
How to obtain numerical solutions of a two-variable equation?