Whakaoti mō x
x=-8
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x+5=2x-11
Pahekotia te -3x me 7x, ka 4x.
4x+5-2x=-11
Tangohia te 2x mai i ngā taha e rua.
2x+5=-11
Pahekotia te 4x me -2x, ka 2x.
2x=-11-5
Tangohia te 5 mai i ngā taha e rua.
2x=-16
Tangohia te 5 i te -11, ka -16.
x=\frac{-16}{2}
Whakawehea ngā taha e rua ki te 2.
x=-8
Whakawehea te -16 ki te 2, kia riro ko -8.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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Whakarerekētanga
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