Whakaoti mō x
x=12
Graph
Tohaina
Kua tāruatia ki te papatopenga
-4x-15=-63
Pahekotia te 4x me -8x, ka -4x.
-4x=-63+15
Me tāpiri te 15 ki ngā taha e rua.
-4x=-48
Tāpirihia te -63 ki te 15, ka -48.
x=\frac{-48}{-4}
Whakawehea ngā taha e rua ki te -4.
x=12
Whakawehea te -48 ki te -4, kia riro ko 12.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Whakarerekētanga
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