If two zeroes of the polynomial x⁴-6x³-26x²+138x-35 are 2±√3,find other zeroes.

If two zeroes of the polynomial x⁴-6x³-26x²+138x-35 are 2±√3,fi

1.	If two zeroes of the polynomial x⁴-6x³-26x²+138x-35 are 2±√3,find other zeroes.
Answer» -5 and 7 are other zeros of the given polynomial I do not know the answer