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Completing the Square the Fast Way - YouTube
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Completing the Square - Math Academy Tutoring
WebApr 26, 2012 · Palomar College Teaching & Learning Center (TLC) Math Tutor Noha shows us how to Complete the Square the Fast Way. WebAny quadratic equation can be rearranged so that it can be solved in this way. When completing the square, we end up with the form: \[y=a(x\pm b)^2+c\] 1; 2; Page 1 of 2; More Guides. Say we have a simple expression like x2 + bx. Having xtwice in the same expression can make life hard. What can we do? Well, with a little inspiration from Geometry we can convert it, like this: As you can see x2 + bx can be rearranged nearlyinto a square ... ... and we can complete the square with (b/2)2 In Algebra it … See more Now ... we can't just add (b/2)2 without also subtractingit too! Otherwise the whole value changes. So let's see how to do it properly with an … See more Here is a quick way to get an answer. You may like this method. First think about the result we want: (x+d)2+ e After expanding (x+d)2 we get: x2 + 2dx + d2+ e Now see if we can turn our example into that form to discover d and e … See more Why complete the square when we can just use the Quadratic Formulato solve a Quadratic Equation? Just think of it as another tool in your … See more We can complete the square to solve a Quadratic Equation(find where it is equal to zero). But a general Quadratic Equation can have a coefficient of a in front of x2: ax2+ bx + c = 0 But … See more changer google pour bing