Whakaoti mō r
r<-300
Tohaina
Kua tāruatia ki te papatopenga
-25+r<-325
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa. Ka huri tēnei i te aronga o te tohu.
r<-325+25
Me tāpiri te 25 ki ngā taha e rua.
r<-300
Tāpirihia te -325 ki te 25, ka -300.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Poukapa
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