Whakaoti mō k
k=-3.5
Tohaina
Kua tāruatia ki te papatopenga
2.2k=-3.7-4
Tangohia te 4 mai i ngā taha e rua.
2.2k=-7.7
Tangohia te 4 i te -3.7, ka -7.7.
k=\frac{-7.7}{2.2}
Whakawehea ngā taha e rua ki te 2.2.
k=\frac{-77}{22}
Whakarohaina te \frac{-7.7}{2.2} mā te whakarea i te taurunga me te tauraro ki te 10.
k=-\frac{7}{2}
Whakahekea te hautanga \frac{-77}{22} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 11.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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