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Mathematics 23 Online
OpenStudy (anonymous):

What are the solutions of the quadratic equation below? 2x2 - 8x - 42 = 0 -7 or 3 7 or -3 http://contentlaunch.ple.platoweb.com/ed/Assessment/1905895/252236866/28016291/aHR0cHM6Ly9sZWFybmVyLnBsZS5wbGF0b3dlYi5jb20vQXNzaWdubWVudC9FeHBsb3JlQXNzaWdubWVudD9Vc2VyQXNzaWdubWVudElkPTI4MDE2MjkxJlJlc291cmNlTm9kZUlkPTI1MjIzNjg2NQ%3d%3d

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