Whakaoti mō x
x=-7
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{-30}{5}=x+1
Whakawehea ngā taha e rua ki te 5.
-6=x+1
Whakawehea te -30 ki te 5, kia riro ko -6.
x+1=-6
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=-6-1
Tangohia te 1 mai i ngā taha e rua.
x=-7
Tangohia te 1 i te -6, ka -7.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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