Trinomial

In elementary algebra, a trinomial is a polynomial consisting of three terms or monomials.
Trinomial equation.
A trinomial equation is a polynomial equation involving three terms. An example is the equation formula_15 studied by Johann Heinrich Lambert in the 18th century.
Some notable trinomials.
where
For example, the polynomial () is an example of this type of trinomial with . The solution and of the above system gives the trinomial factoring:
The same result can be provided by the Ruffini's rule, but with a more complex and time-consuming process.