Find all the zeroes of the polynomial x^{4 }+ x^{3 }– 34x^{2 }– 4x + 120, if the two of its zeros are 2 and -2.

Obtain all zeroes of the polynomial f(x)= \( 2x^4 – 2x^3 – 7x^2 + 3x + 6,\) if the two of its zeroes are \(- (\sqrt{\dfrac{3}{2}})\;and\; (\sqrt{\dfrac{3}{2}})\)

Obtain all zeroes of the polynomial f(x) = x^{4} – 3x^{3} – x^{2} + 9x – 6, if the two of its zeroes are \( -\sqrt{3}\;and\;\sqrt{3}\)

Obtain all zeroes of f(x) = x^{3 }+ 13x^{2 }+ 32x + 20, if one of its zeros is -2.

Obtain all zeroes of the polynomial f(x)= 2x^{4 }+ x^{3 }– 14x^{2 }– 19x–6, if two of its zeroes are -2 and -1.