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posted by Brittany on Monday, November 19, 2012 at 1:57pm.

find all the real zeros and multiplicity of f(x)=x^4-68x^2+256

x^4 - 68x^2 + 256 = 0 (x^2-64)(x^2-4) = 0 x = ± 8 or x = ± 2 take it from there

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