Whakaoti mō x
x = -\frac{5}{4} = -1\frac{1}{4} = -1.25
Graph
Tohaina
Kua tāruatia ki te papatopenga
40x=40-90
Tangohia te 90 mai i ngā taha e rua.
40x=-50
Tangohia te 90 i te 40, ka -50.
x=\frac{-50}{40}
Whakawehea ngā taha e rua ki te 40.
x=-\frac{5}{4}
Whakahekea te hautanga \frac{-50}{40} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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