New posts in Quartic Equations

Prove that $1 \leq A \leq \frac{5}{4}$ and $0 \leq B < \frac{81}{16}$

How can I prove that $p(x)=x^4+x+1$ doesn't have real roots?

How to solve $x(3x+3)(x+5)(2x+12)+576 = 0$?

Write the quartic equation $4x^4+12x^3-35x^2-300x+625$ as the product of two quadratic expressions.

How many real roots does $x^4 - 4x^3 + 4x^2 - 10$ have?

why $x^{4} = 1 : x \in \mathbb{C}$ doesn't have infinite solutions?

How to factor a fourth degree polynomial

Degree of splitting field of $X^4+2X^2+2$ over $\mathbf{Q}$

Factorise polynomial with real and complex roots

How to prove $\sqrt {a-\sqrt {a+\sqrt {a-\sqrt {a+\sqrt {a-\sqrt {a+\ldots}}}}}}=\frac {\sqrt {4a-3}-1}2$