Example:
3x^2-2x-1=0Step-By-Step Example
Learn step-by-step how to solve quadratic equations!
Example (Click to try)
3x2−2x−1=0
Choose Your Method
There are different methods you can use to solve quadratic equations, depending on your particular problem.
Solve By Factoring
Example:
3x^2-2x-1=0
Complete The Square
Example:
3x^2-2x-1=0
(After you click the example, change the Method to 'Solve By Completing the Square'.)
Take the Square Root
Example:
2x^2=18
Quadratic Formula
Example:
4x^2-2x-1=0
About quadratic equations
Quadratic equations have an x^2 term, and can be rewritten to have the form:
ax2+bx+c=0Need more problem types? Try MathPapa Algebra Calculator