What can I do to simplify $\displaystyle x^2+75=0$ ?

I could switch it around to equal $\displaystyle x^2=-75$, but any number times itself is going to equal a positive, so what can I do?! Will I end up with imaginary numbers?

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- Aug 31st 2007, 07:47 PM #1

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- Aug 31st 2007, 07:50 PM #2

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- Aug 31st 2007, 08:24 PM #6