Whakaoti mō x
x = -\frac{7}{3} = -2\frac{1}{3} \approx -2.333333333
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x+5-x=-9
Tangohia te x mai i ngā taha e rua.
6x+5=-9
Pahekotia te 7x me -x, ka 6x.
6x=-9-5
Tangohia te 5 mai i ngā taha e rua.
6x=-14
Tangohia te 5 i te -9, ka -14.
x=\frac{-14}{6}
Whakawehea ngā taha e rua ki te 6.
x=-\frac{7}{3}
Whakahekea te hautanga \frac{-14}{6} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
Ngā Tauira
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Whakarerekētanga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}