Solution of two quadratic equation with a particular structure
61533
Solution af a system of 2 quadratic equations
79
Find $a$, $b$ and $c$ that satisfy the following equations
129454
Solution to a quadratic form
137015
Solutions for $a^2+b^2+c^2=d^2$
18903
Finding solutions to equation of the form $1+x+x^{2} + \cdots + x^{m} = y^{n}$
41534
A system of logarithmic equations with parameters
123486
Block of equations with only some being subequations
126445
Proving the second root of a quadratic equation
114011
Algebra - Solving for three unknowns.
158576
Derivation of the quadratic equation
12102
particular solution to $y^{(4)} -2y'' +y = xe^x $ using undetermined coefficients
121113
How to solve this nonlinear 2 by 2 equations?
117352
Show $x^n+ax+b=0$ has most two solutions
94037
Solving the matrix equation $AP=PB$, where $A$ and $B$ are similar
139474
Solving system of Congruences with Two Variables (x and y)
108885
Systems of equations with a single number
42384
Сanonical form of a quadratic form by Lagrange's method