Whakaoti mō x
x=\frac{4}{25}=0.16
Graph
Tohaina
Kua tāruatia ki te papatopenga
6500+12525x-20075x=5292
Tangohia te 20075x mai i ngā taha e rua.
6500-7550x=5292
Pahekotia te 12525x me -20075x, ka -7550x.
-7550x=5292-6500
Tangohia te 6500 mai i ngā taha e rua.
-7550x=-1208
Tangohia te 6500 i te 5292, ka -1208.
x=\frac{-1208}{-7550}
Whakawehea ngā taha e rua ki te -7550.
x=\frac{4}{25}
Whakahekea te hautanga \frac{-1208}{-7550} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -302.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Poukapa
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Whakarerekētanga
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