Whakaoti mō x
x=-4
Graph
Tohaina
Kua tāruatia ki te papatopenga
10-6-\left(-2x\right)=x
Hei kimi i te tauaro o 6-2x, kimihia te tauaro o ia taurangi.
10-6+2x=x
Ko te tauaro o -2x ko 2x.
4+2x=x
Tangohia te 6 i te 10, ka 4.
4+2x-x=0
Tangohia te x mai i ngā taha e rua.
4+x=0
Pahekotia te 2x me -x, ka x.
x=-4
Tangohia te 4 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Whakarerekētanga
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