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How to Complete the Square
When you are unable to solve a quadratic equation of the form ax² +bx+c by factoring, then you can use the technique called completing the square. To complete the square means to create a polynomial with three terms (trinomial) that is a perfect square.... More »
Difficulty: Moderate
Source: www.ehow.com

en.wikipedia.org/wiki/Completing_the_square

In elementary algebra, completing the square is a technique for converting a quadratic polynomial of the form. a x 2 + b x + c {\displaystyle ax^{2}+bx+c} ...

www.mathsisfun.com/algebra/completing-square.html

But if you have time, let me show you how to "Complete the Square" yourself. Completing the Square. Say we have a simple expression like x2 + bx. Having x  ...

www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/v/solving-quadratic-equations-by-completing-the-square

For example, x²+6x+5 isn't a perfect square, but if we add 4 we get (x+3)². This, in essence, is the method of *completing the square*. Created by Sal Khan, ...

www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/a/solving-quadratic-equations-by-completing-the-square

For example, solve x²+6x=-2 by manipulating it into (x+3)²=7 and then taking the square root.

www.purplemath.com/modules/sqrquad.htm

Demonstrates, with step-by-step instructions and illustrations, how to complete the square to solve a quadratic equation.

www.ask.com/youtube?q=Completing+the+Square&v=bclm1tJB-3g
Jan 9, 2014 ... MIT grad shows the easiest way to complete the square to solve a quadratic equation. More videos with Nancy coming in 2017! To skip ahead: ...
www.ask.com/youtube?q=Completing+the+Square&v=xGOQYTo9AKY
Nov 2, 2008 ... Extra Examples : http://www.youtube.com/watch?v=zKV5ZqYIAMQ&feature= relmfu http://www.youtube.com/watch?v=Q0IPG_BEnTo Another ...

www.virtualnerd.com/algebra-1/quadratic-equations-functions/completing-the-square/completing-the-square-solutions/completing-the-square-solution-example

www.wyzant.com/resources/lessons/math/algebra/completing-the-square

When the highest exponent of an equation is 2, the method of "Completing the Square" gives us an alternative. This method will help us turn this unfactorable ...