Whakaoti mō x
x\in \left(-\infty,-2\right)\cup \left(5,\infty\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
x-5<0 x+2<0
Kia tōrunga ai te otinga, hei tōraro tahi a x-5 me x+2, hei tōrunga tahi rānei. Whakaarohia te tauira ina he tōraro tahi te x-5 me te x+2.
x<-2
Te otinga e whakaea i ngā koreōrite e rua ko x<-2.
x+2>0 x-5>0
Whakaarohia te tauira ina he tōrunga tahi te x-5 me te x+2.
x>5
Te otinga e whakaea i ngā koreōrite e rua ko x>5.
x<-2\text{; }x>5
Ko te otinga whakamutunga ko te whakakotahi i ngā otinga kua whiwhi.
Ngā Tauira
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