Algebra - Ch. 23: Solving Equations with Radicals (8 of 16) Example 7

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We will solve x=? of an algebraic equation with radicals. Example 7

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Square roof a positive perfect number will always have two possible answers - or + hence there is solution to this equation

salimahmed
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As far as I know, by definition /sqrt(x) always has two valid solutions. Can you show me where you have your definition from?

ets
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I thought the √4 = both 2 and -2, so that actually is a valid solution. Am I missing something?

RachetnClank
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Do you know what? I studied your blog and searched about you

ameerunbegum