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Equation Square Root

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A student claims that the equation square root of (-x) = 3 has no solution, since the square root of a negative number does not exist. Why is this argument wrong? (hint: you do not need to use imaginary numbers to do this)

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A student claims that the equation square root of (-x) = 3 has no solution, since the square root of a negative number does not exist. Why is this argument wrong? (hint: you do not need to ...

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