411 REFERENCE · Wikibooks
Arithmetic Course/Polynominal Equation
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Polynomial Equation
An equation is an expression of one variable such that
polynomials used to solve the theory of equations.
Solving Polynomial Equation
Solving polynomial equations involves finding all the values of variable x that satisfy f(x) = 0.
First Order Equation
A first order polynomial equation of one variable x has the general form
Ax + B = 0
Rewrite the equation above
Second Order Equation
A second order polynomial equation of one variable x has the general form
Solving Equation
Method 1
Where
Depending on the value of the equation will have the following root
One Real Root
Two Real Roots
Two Complex Roots
Method 2
Method 3