$2 x^{3} + x - 8 = 0$

Answer

$x_{1} = 1.48257 x_{2} = - 0.74129 + 1.46578 i x_{3} = - 0.74129 - 1.46578 i$

Explanation

This polynomial has no rational roots that can be found using Rational Root Test.

Roots were found using qubic formulas.

This page was created using

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2x3+x−8=0

x1​=1.48257​x2​=−0.74129+1.46578i​x3​=−0.74129−1.46578i​

$2 x^{3} + x - 8 = 0$

$x_{1} = 1.48257 x_{2} = - 0.74129 + 1.46578 i x_{3} = - 0.74129 - 1.46578 i$