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OpenStudy (anonymous):
Solve x+2√x-8=0
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OpenStudy (lgbasallote):
let sqrt x = a x = a^2 substititute..you'll have a quadratic equation
OpenStudy (anonymous):
i dont understand where a came from?
OpenStudy (lgbasallote):
it's a substitution..so you'll have a quadratic equation...it's just another variable..do you get it now?
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