laurengrace01 laurengrace01

11-10-2018
Mathematics

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one solution to the problem below is 2. what is the other solution c^2-4=0

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11-10-2018

[tex]c^2-4=0\qquad|+4\\\\c^2=4\to c=\pm\sqrt4\\\\c=-2\ \vee\ c=2[/tex]

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