Real Roots of Cubic equation
69426
Checking if the roots of a function are real
28417
How is a cubic root done in gnome-calculator?
79012
Why is it so hard to find the roots of polynomial equations?
36331
One root common to $ax^2+2bx+c=0$ and $dx^2+2ex+f=0$
86603
Infinite square-rooting
74195
Find values of $a$ for which function will have real roots
121759
If this equation in x has real roots find the value of a and b.
114872
If $ax^2-bx+c=0$ has two distinct real roots lying in the interval $(0,1)$ $a,b,c$ belongs to natural prove that $\log_5 {abc}\geq2$
41312
Question on primitive roots of unity
103276
Solving an equation over the reals: $ x^3 + 1 = 2\sqrt[3]{{2x - 1}}$
13242
Is there a systematic way of solving cubic equations?
97654
Rewrite a real polynomial in real (but only linear and quadratic) factors
78379
Proof on cubic residues
34942
solving $x^3-2y^3=1$ using cubic number field
18702
If $ax^2+(c+b)x+e+d=0$ has real roots greater than $1$, show that $ax^4+bx^3+cx^2+dx+e$ has at least one real root
112709
$\frac{1}{x-a} + \frac{1}{x-b} + \frac{1}{x-c} = 0 $ has precisely two real roots
61148
Finding real roots of $ P(x)=x^8 - x^7 +x^2 -x +15$