A quartic equation is a polynomial equation where the highest degree of the variable is four. It takes the general form $ax^4 + bx^3 + cx^2 + dx + e = 0$, and, like all polynomials up to this degree, its roots can be found by an algebraic method.
A quartic equation is a polynomial equation where the highest degree of the variable is four. It takes the general form $ax^4 + bx^3 + cx^2 + dx + e = 0$, and, like all polynomials up to this degree, its roots can be found by an algebraic method.