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completing the square with quadratic equations. X squared plus 14 x plus 49 equals 0. However even if an expression isnt a perfect square we can turn it into one by adding a constant number.
Any polynomial equation with a degree that is equal to 2 is known as quadratic equations. This in essence is the method of completing the square. For example x²6x5 isnt a perfect square but if we add 4 we get x3².
X 2 14 x 49 0.
2 x 2 12 x 7 0. Completing the Square and the Quadratic Formula Completing the Square. If it does not then divide the entire equation by a a. Step 1 Divide all terms by a the coefficient of x2.