Obtain real roots
18911
Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)
157710
$x^{3}-x-2=0$ how do I find the roots?
90933
Finding the roots of complex numbers
97654
Rewrite a real polynomial in real (but only linear and quadratic) factors
17886
Values of square roots
80322
Find all roots in range
83363
Finding the real root of a cubic algebraically
13656
Prove existence of a real root.
55119
Proof that the coefficients of a polynomial are real
129855
How to find root of derivative of any polynomial/equation?
112709
$\frac{1}{x-a} + \frac{1}{x-b} + \frac{1}{x-c} = 0 $ has precisely two real roots
69618
What is the sum of non-real roots of the polynomial equation?
143466
Roots of functions / polynomials
86603
Infinite square-rooting
72201
How can we plot the complex roots of an equation?
69288
Number of real roots of $\sum_{k=0}^{n}\frac{x^{k}}{k!}=0$
121759
If this equation in x has real roots find the value of a and b.