Whakaoti mō x_1
x_{1}=0
Tohaina
Kua tāruatia ki te papatopenga
0\times 0\times 4\left(x_{1}+100\right)=x_{1}
Whakareatia te 0 ki te 0, ka 0.
0\times 4\left(x_{1}+100\right)=x_{1}
Whakareatia te 0 ki te 0, ka 0.
0\left(x_{1}+100\right)=x_{1}
Whakareatia te 0 ki te 4, ka 0.
0=x_{1}
Ko te tau i whakarea ki te kore ka hua ko te kore.
x_{1}=0
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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