Lets do a couple of examples for just completing the

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Unformatted text preview: 3x + 10 ) 2 = -81 3x + 10 = ± 9 i 3x = -10 ± 9 i 10 x = - ± 3i 3 So we got two complex solutions again and notice as well that with both of the previous part we put the “plus or minus” part last. This is usually the way these are written. [Return to Problems] As mentioned at the start of this section we are going to break this topic up into two sections for the benefit of those viewing this on the web. The next two methods of solving quadratic equations, completing the square and quadratic formula, are given in the next section. © 2007 Paul Dawkins 92 http://tutorial.math.lamar.edu/terms.aspx College Algebra Quadratic Equations – Part II The topic of solving quadratic equations has been broken into two sections for the benefit of those viewing this on the web. As a single section the load time for the page would have been quite long. This is the second section on solving quadratic equations. In the previous section we looked at using factoring and the square root property to solve quadratic equations. The p...
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