Obtain all zeroes of the polynomial x4 + 3x 3- 3x2- 15x – 10 if two of its zeroes are √5 and-√5

Obtain all zeroes of the polynomial x4 + 3x 3- 3x2- 15x – 10 if two

1.	Obtain all zeroes of the polynomial x4 + 3x 3- 3x2- 15x – 10 if two of its zeroes are √5 and-√5
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