Arithmetic Course/Polynominal Equation

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Polynominal Equation[edit]

An equation is an expression of one variable such that

Solving Polynominal Equation[edit]

Solving polynominal equations involves finding all the values of variable x that satisfy f(x) = 0.

First Order Equation[edit]

A first order polynominal equation of one variable x has the general form

Ax + B = 0

Rewrite the equation above

Second Order Equation[edit]

A second order polynominal equation of one variable x has the general form

Solving Equation[edit]

Method 1[edit]

Where


Depending on the value of the equation will have the following root

One Real Root

Two Real Roots

Two Complex Roots

Method 2[edit]

Method 3[edit]