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how to solve a math problem by completing the square. Solving Quadratic Equations by Completing the Square For quadratic equations that cannot be solved by factorising we use a method which can solve ALL quadratic equations called completing the square. Divide both sides by the coefficient of x -squared unless of course its 1.
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If the coefficient of x 2 is 1 a 1 the above process is not required. Step 1 Divide all terms by a the coefficient of x2. The following steps will be useful to solve a quadratic in the above form using completing the square method.
Solve the equation below using the method of completing the square.
In the given quadratic equation ax 2 bx c 0 divide the complete equation by a coefficient of x 2. Put the x -squared and the x terms on one side and the constant on the other side. Left parenthesis x plus. Heres what that would look like for our sample formula.
