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Mathematics 9 Online
OpenStudy (anonymous):

Solve x+2√x-8=0

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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