Whakaoti mō x
x\geq -1
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Tohaina
Kua tāruatia ki te papatopenga
1331x-x^{3}+1331+x^{3}\geq 0
Whakamahia te āhuatanga tuaritanga hei whakarea te 11+x ki te x^{2}-11x+121 ka whakakotahi i ngā kupu rite.
1331x+1331\geq 0
Pahekotia te -x^{3} me x^{3}, ka 0.
1331x\geq -1331
Tangohia te 1331 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x\geq \frac{-1331}{1331}
Whakawehea ngā taha e rua ki te 1331. I te mea he tōrunga te 1331, kāore e huri te ahunga koreōrite.
x\geq -1
Whakawehea te -1331 ki te 1331, kia riro ko -1.
Ngā Tauira
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