# Trinomial

This article is about mathematics. For the use in taxonomy, see Trinomial name. For the use identifying archaeological sites in the United States, see Smithsonian trinomial.

In elementary algebra, a **trinomial** is a polynomial consisting of three terms or monomials.^{[1]}

## Trinomial expressions

- with variables
- with variables
- with variables
- with variables, nonnegative integers and any constants.
- where is variable and constants are nonnegative integers and any constants.

## Trinomial equation

A trinomial equation is a polynomial equation involving three terms. An example is the equation studied by Johann Heinrich Lambert in the 18th century.^{[2]}

## See also

## References

- ↑ "Definition of Trinomial".
*Math Is Fun*. Retrieved 16 April 2016. - ↑ Corless, R. M.; Gonnet, G. H.; Hare, D. E. G.; Jerey, D. J.; Knuth, D. E. (1996). "On the Lambert
*W*Function" (PDF).*Advances in Computational Mathematics*.**5**(1): 329–359. doi:10.1007/BF02124750.

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