Whakaoti mō x (complex solution)
x=\frac{2}{3}\approx 0.666666667
x=4
x=\frac{-\sqrt{3}i-1}{2}\approx -0.5-0.866025404i
x=\frac{-1+\sqrt{3}i}{2}\approx -0.5+0.866025404i
Whakaoti mō x
x=\frac{2}{3}\approx 0.666666667
x=4
Graph
Tohaina
Kua tāruatia ki te papatopenga
±\frac{8}{3},±8,±\frac{4}{3},±4,±\frac{2}{3},±2,±\frac{1}{3},±1
Tā te Rational Root Theorem, ko ngā pūtake whakahau katoa o tētahi pūrau kei te āhua o \frac{p}{q}, ina wehea e p te kīanga pūmau 8, ā, ka wehea e q te whakarea arahanga 3. Whakarārangitia ngā kaitono katoa \frac{p}{q}.
x=4
Kimihia tētahi pūtake pērā mā te whakamātau i ngā uara tau tōpū katoa, e tīmata ana i te mea iti rawa mā te uara pū. Mēnā kāore he pūtake tau tōpū e kitea, whakamātauria ngā hautanga.
3x^{3}+x^{2}+x-2=0
Mā te whakatakotoranga Tauwehe, he tauwehe te x-k o te pūrau mō ia pūtake k. Whakawehea te 3x^{4}-11x^{3}-3x^{2}-6x+8 ki te x-4, kia riro ko 3x^{3}+x^{2}+x-2. Whakaotihia te whārite ina ōrite te hua ki te 0.
±\frac{2}{3},±2,±\frac{1}{3},±1
Tā te Rational Root Theorem, ko ngā pūtake whakahau katoa o tētahi pūrau kei te āhua o \frac{p}{q}, ina wehea e p te kīanga pūmau -2, ā, ka wehea e q te whakarea arahanga 3. Whakarārangitia ngā kaitono katoa \frac{p}{q}.
x=\frac{2}{3}
Kimihia tētahi pūtake pērā mā te whakamātau i ngā uara tau tōpū katoa, e tīmata ana i te mea iti rawa mā te uara pū. Mēnā kāore he pūtake tau tōpū e kitea, whakamātauria ngā hautanga.
x^{2}+x+1=0
Mā te whakatakotoranga Tauwehe, he tauwehe te x-k o te pūrau mō ia pūtake k. Whakawehea te 3x^{3}+x^{2}+x-2 ki te 3\left(x-\frac{2}{3}\right)=3x-2, kia riro ko x^{2}+x+1. Whakaotihia te whārite ina ōrite te hua ki te 0.
x=\frac{-1±\sqrt{1^{2}-4\times 1\times 1}}{2}
Ka taea ngā whārite katoa o te momo ax^{2}+bx+c=0 te whakaoti mā te ture pūrua: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. Whakakapia te 1 mō te a, te 1 mō te b, me te 1 mō te c i te ture pūrua.
x=\frac{-1±\sqrt{-3}}{2}
Mahia ngā tātaitai.
x=\frac{-\sqrt{3}i-1}{2} x=\frac{-1+\sqrt{3}i}{2}
Whakaotia te whārite x^{2}+x+1=0 ina he tōrunga te ±, ina he tōraro te ±.
x=4 x=\frac{2}{3} x=\frac{-\sqrt{3}i-1}{2} x=\frac{-1+\sqrt{3}i}{2}
Rārangitia ngā otinga katoa i kitea.
±\frac{8}{3},±8,±\frac{4}{3},±4,±\frac{2}{3},±2,±\frac{1}{3},±1
Tā te Rational Root Theorem, ko ngā pūtake whakahau katoa o tētahi pūrau kei te āhua o \frac{p}{q}, ina wehea e p te kīanga pūmau 8, ā, ka wehea e q te whakarea arahanga 3. Whakarārangitia ngā kaitono katoa \frac{p}{q}.
x=4
Kimihia tētahi pūtake pērā mā te whakamātau i ngā uara tau tōpū katoa, e tīmata ana i te mea iti rawa mā te uara pū. Mēnā kāore he pūtake tau tōpū e kitea, whakamātauria ngā hautanga.
3x^{3}+x^{2}+x-2=0
Mā te whakatakotoranga Tauwehe, he tauwehe te x-k o te pūrau mō ia pūtake k. Whakawehea te 3x^{4}-11x^{3}-3x^{2}-6x+8 ki te x-4, kia riro ko 3x^{3}+x^{2}+x-2. Whakaotihia te whārite ina ōrite te hua ki te 0.
±\frac{2}{3},±2,±\frac{1}{3},±1
Tā te Rational Root Theorem, ko ngā pūtake whakahau katoa o tētahi pūrau kei te āhua o \frac{p}{q}, ina wehea e p te kīanga pūmau -2, ā, ka wehea e q te whakarea arahanga 3. Whakarārangitia ngā kaitono katoa \frac{p}{q}.
x=\frac{2}{3}
Kimihia tētahi pūtake pērā mā te whakamātau i ngā uara tau tōpū katoa, e tīmata ana i te mea iti rawa mā te uara pū. Mēnā kāore he pūtake tau tōpū e kitea, whakamātauria ngā hautanga.
x^{2}+x+1=0
Mā te whakatakotoranga Tauwehe, he tauwehe te x-k o te pūrau mō ia pūtake k. Whakawehea te 3x^{3}+x^{2}+x-2 ki te 3\left(x-\frac{2}{3}\right)=3x-2, kia riro ko x^{2}+x+1. Whakaotihia te whārite ina ōrite te hua ki te 0.
x=\frac{-1±\sqrt{1^{2}-4\times 1\times 1}}{2}
Ka taea ngā whārite katoa o te momo ax^{2}+bx+c=0 te whakaoti mā te ture pūrua: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. Whakakapia te 1 mō te a, te 1 mō te b, me te 1 mō te c i te ture pūrua.
x=\frac{-1±\sqrt{-3}}{2}
Mahia ngā tātaitai.
x\in \emptyset
Tā te mea e kore te pūrua o tētahi tau tōraro e tautohutia ki te āpure tūturu, kāhore he rongoā.
x=4 x=\frac{2}{3}
Rārangitia ngā otinga katoa i kitea.
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