Simple algebra, but causing arguments in a home school co-op discussion. $6^2/2(3)+4$
19449
What is $48\div2(9+3)$?
50614
If $4\mid a+bc$ and $6\mid b+ac$ prove that $2\mid a^2-b^2$
33184
Something strange about $\sqrt{ 4+ \sqrt{ 4 + \sqrt{ 4-x}}}=x$ and its friends
48484
Prove that $6|a+b+c$ if and only if $6|a^3+b^3+c^3$
130104
Show $4x^2+6x+3$ is a unit in $\mathbb{Z}_8[x]$ (inverting unit + nilpotent)
60268
$\textit{Why}$ the cases in 4 $\nmid n^2 - 3?$ (bases cases in modular induction)
21121
Express $w$ and $1/w$ for $w=\frac {\sqrt2+\sqrt3}{\sqrt5-\sqrt3}$ in the simplest form with a rational denominator
95602
Computing the Galois group of $x^4+ax^2+b \in \mathbb{Q}[x] $
149254
Solving $y^3=x^3+8x^2-6x+8$
61022
Diophantine Equations : Solving $a^2+ b^2=2c^2$
3437
Basic division and multiplication
133164
Rational solutions for $x^2+y^2=3$
26692
Equation in integers $7^x-3^y=4$
100892
Proving divisibility of $a^3 - a$ by $6$
21972
How to show that $\sqrt{2}+\sqrt{3}$ is algebraic?
50947
How can I factor the polynomial $125x^3 + 216$?
113359
Proving that $x^2 + 4$ is not divisible by $3$