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posted by tina Saturday, November 12, 2011 at 12:01pm.

solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0

x^4+x^3+4x^2+10x-60 =(x+3)(x-2)(x^2 + 10) = (x+3)(x-2)(x + i√10)(x - i√10)

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