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OpenStudy (anonymous):
solve square root(x^2+4x-12)=3
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OpenStudy (anonymous):
sqrt. (x^2+4x-12) = 3 => x^2+4x-12 = 9 => x^2+4x-21 = 0 x=3
OpenStudy (anonymous):
sqrt. (x^2+4x-12) = 3 => x^2+4x-12 = 9 => x^2+4x-21 = 0 x=3
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