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08-04-2014
Mathematics

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What is the solution of the equation?-10 + sqrt x+8 = -4

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08-04-2014

[tex]D:x+8\geq0\to x\geq-8\\\\-10+\sqrt{x+8}=-4\ \ \ /+10\\\\\sqrt{x+8}=-4+10\\\\\sqrt{x+8}=6\iff x+8=36\\\\x=36-8\\\\x=28\in D[/tex]

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