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What is Solving Cubic and Quartic Equations about?

Finding roots of cubic and quartic equations can be difficult, but there are systematic methods. For cubics, if a rational root exists in the form of p/q (where p is a factor of the constant term and q is a factor of the leading coefficient), try those possibilities. Once a real root is found, divide the cubic by (x - root) to get a quadratic factor, then find the remaining two roots. For quartics, repeat the process for cubics - try rational roots in the form p/q, divide the quartic by factors of (x -

Author

Micheal Chien

Language

EN