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Question Number 11943 by 010418 last updated on 06/Apr/17

The solution of the equation   x^2 + x + 1 = 1   is

$$\mathrm{The}\:\mathrm{solution}\:\mathrm{of}\:\mathrm{the}\:\mathrm{equation}\: \\ $$$${x}^{\mathrm{2}} +\:{x}\:+\:\mathrm{1}\:=\:\mathrm{1}\:\:\:\mathrm{is} \\ $$

Answered by ajfour last updated on 06/Apr/17

⇒ x(x+1)=0  this happens when   x=0, and x=−1 .

$$\Rightarrow\:{x}\left({x}+\mathrm{1}\right)=\mathrm{0} \\ $$$${this}\:{happens}\:{when}\: \\ $$$${x}=\mathrm{0},\:{and}\:{x}=−\mathrm{1}\:. \\ $$

Commented by ajfour last updated on 06/Apr/17

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