Trinomial

Trinomials are polynomials that consist of three terms, separated by plus and minus symbols. An example of a trinomial is:

$ax+by+c$

This is a linear expression, which is a component of linear equations.

Examples

$ax^{2}+bx+c$ , a quadratic expression in its standard (normal) form, which happens to be a trinomial.
Perfect square trinomials, $a^{2}\pm 2ab+b^{2}$ .

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