If two zeroes of a polynomial p(x)=x^3 -4x^2 -3x +12 are √3 and √-3, then find its 3rd zero.

If two zeroes of a polynomial p(x)=x^3 -4x^2 -3x +12 are √3 and √-

1.	If two zeroes of a polynomial p(x)=x^3 -4x^2 -3x +12 are √3 and √-3, then find its 3rd zero.
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