Whakaoti mō y
y=-\frac{1}{3}\approx -0.333333333
Graph
Tohaina
Kua tāruatia ki te papatopenga
15y+15=10
Pahekotia te 10y me 5y, ka 15y.
15y=10-15
Tangohia te 15 mai i ngā taha e rua.
15y=-5
Tangohia te 15 i te 10, ka -5.
y=\frac{-5}{15}
Whakawehea ngā taha e rua ki te 15.
y=-\frac{1}{3}
Whakahekea te hautanga \frac{-5}{15} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Whakarerekētanga
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Ngā Tepe
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