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Solving quadratics can be difficult. Completing the square is one method for solving a quadratic equation. A quadratic equation can also be solved by factoring, using the square roots, or using the quadratic formula. The cool thing is that solving quadratic equations by completing the square will always work when solving quadratic equations, and the technique is a good tool to have in your math tool belt.

How Do You Complete the Square?

This video is brought to you courtesy of dangarbo10 (YouTube)


Citation styles

APA style
How Do You Complete the Square?. (2013, March 2). In ClassBrain Math Tutorials. Retrieved 08:17, February 18, 2018, from http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/
MLA style
Cynthia Kirkeby, “How Do You Complete the Square?.” ClassBrain Math Tutorials. 2 March 2013, 10:41 UTC. . 18 Feb 2018 <http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/>.
MHRA style
Cynthia Kirkeby, 'How Do You Complete the Square?', ClassBrain Math Tutorials, 2 March 2013, 10:41 UTC, <http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/> [accessed 18 February 2018]
The Chicago Manual of Style
Cynthia Kirkeby, “How Do You Complete the Square?.” ClassBrain Math Tutorials, http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/ [accessed February 18, 2018].
CBE/CSE style
Cynthia Kirkeby, How Do You Complete the Square? [Internet]. ClassBrain Math Tutorials; 2013 March 2, 10:41 UTC [cited 2018 Feb 18]. Available from: http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/.
Bluebook style
How Do You Complete the Square?, http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/ (last visited Feb. 18, 2018).
AMA style
Cynthia Kirkeby, How Do You Complete the Square?. ClassBrain Math Tutorials. March 2, 2013, 10:41 UTC. Available at: http://www.classbrainmath.com/solving-a-quadratic-equations-by-completing-the-square/. Accessed February 18, 2018.