Quadratic equation sum from Russian book
116277
real values of $x$ in $\sqrt{5-x} = 5-x^2$.
27001
How to calculate the following sum:
24862
Solving (quadratic) equations of iterated functions, such as $f(f(x))=f(x)+x$
110996
Sum of the form $r+r^2+r^4+\dots+r^{2^k} = \sum_{i=1}^k r^{2^i}$
156395
how many terms will there be once you collect terms with equal monomials? What is the sum of all the coefficients?
15626
Relations of a~b iff b = ak^2
24000
Roots of Sum of Two Polynomials (with Known Roots)
68937
Russian babel and chemformula
84893
Solutions of the equations of the degree 5 and more
58311
How to find the solution of a quadratic equation with complex coefficients?
138104
Algebra-sum of entries in each column of a sqaure matrix = constant
39135
Representation of integers by ternary quadratic form $x^2+y^2-z^2$
153111
factoring a quadratic equation
138756
How to Calculate the Sum of Coefficients in a Polynomial with known Integer Roots
64448
Find a quadratic equation with root $x_1^2$ and $x_2^2$
120500
I think I can complete the square of any quadratic, is it true? (Any reason to ever use Quad. Formula?)
129454
Solution to a quadratic form