Whakaoti mō y
y=-\frac{1}{2}=-0.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
2y=2-3
Tangohia te 3 mai i ngā taha e rua.
2y=-1
Tangohia te 3 i te 2, ka -1.
y=\frac{-1}{2}
Whakawehea ngā taha e rua ki te 2.
y=-\frac{1}{2}
Ka taea te hautanga \frac{-1}{2} te tuhi anō ko -\frac{1}{2} mā te tango i te tohu tōraro.
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{ x } ^ { 2 } - 4 x - 5 = 0
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