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Whakaoti mō x
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Tohaina

2x^{2}-4x<x^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te \frac{1}{2}x ki te 4x-8.
2x^{2}-4x-x^{2}<0
Tangohia te x^{2} mai i ngā taha e rua.
x^{2}-4x<0
Pahekotia te 2x^{2} me -x^{2}, ka x^{2}.
x\left(x-4\right)<0
Tauwehea te x.
x>0 x-4<0
Kia tōraro te otinga, me tauaro rawa ngā tohu o te x me te x-4. Whakaarohia te tauira ina he tōrunga te x he tōraro te x-4.
x\in \left(0,4\right)
Te otinga e whakaea i ngā koreōrite e rua ko x\in \left(0,4\right).
x-4>0 x<0
Whakaarohia te tauira ina he tōrunga te x-4 he tōraro te x.
x\in \emptyset
He teka tēnei mō tētahi x ahakoa.
x\in \left(0,4\right)
Ko te otinga whakamutunga ko te whakakotahi i ngā otinga kua whiwhi.