Whakaoti mō x
x\in \left(-\infty,-1\right)\cup \left(3,\infty\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
x+1<0 x-3<0
Kia tōrunga ai te otinga, hei tōraro tahi a x+1 me x-3, hei tōrunga tahi rānei. Whakaarohia te tauira ina he tōraro tahi te x+1 me te x-3.
x<-1
Te otinga e whakaea i ngā koreōrite e rua ko x<-1.
x-3>0 x+1>0
Whakaarohia te tauira ina he tōrunga tahi te x+1 me te x-3.
x>3
Te otinga e whakaea i ngā koreōrite e rua ko x>3.
x<-1\text{; }x>3
Ko te otinga whakamutunga ko te whakakotahi i ngā otinga kua whiwhi.
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