8x-3-6x-1-0-Solves-equation-x-1-x-2-

Question Number 11661 by @ANTARES_VY last updated on 29/Mar/17

8 x^{3} - 6 x + 1 = 0 .

Solves \dots equation

x_{1} = ? x_{2} = ?

Answered by Joel576 last updated on 29/Mar/17

8 x^{3} - 6 x + 2 = 0

\Rightarrow (x + 1) (8 x^{2} - 8 x + 2) = 0

\Rightarrow x + 1 = 0 or 8 x^{2} - 8 x + 2 = 0

∙ x + 1 = 0

x = - 1

∙ 2 (4 x^{2} - 4 x + 1) = 0

{(2 x - 1)}^{2} = 0

x = \frac{1}{2}

Commented by @ANTARES_VY last updated on 29/Mar/17

? ? ? ? ?

Commented by @ANTARES_VY last updated on 29/Mar/17

? ? ? ? ?

Commented by @ANTARES_VY last updated on 29/Mar/17

? ? ? ? ?

Commented by Joel576 last updated on 30/Mar/17

Hmm, before that you wrote

8 x^{3} - 6 x + 2 = 0

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