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Mathematics 7 Online
OpenStudy (anonymous):

Find the zero of f(x)=3x^2-12.

OpenStudy (anonymous):

0=3x^2-12 add 12 to both sides divide by 3 x^2=4 what does x equal?

OpenStudy (anonymous):

I found the answer: http://uk.answers.yahoo.com/question/index?qid=20110507032254AAoLF1p It's the one by Charlie.

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