Whakaoti mō x
x=-21
Graph
Tohaina
Kua tāruatia ki te papatopenga
6x+9-3x=-54
Tangohia te 3x mai i ngā taha e rua.
3x+9=-54
Pahekotia te 6x me -3x, ka 3x.
3x=-54-9
Tangohia te 9 mai i ngā taha e rua.
3x=-63
Tangohia te 9 i te -54, ka -63.
x=\frac{-63}{3}
Whakawehea ngā taha e rua ki te 3.
x=-21
Whakawehea te -63 ki te 3, kia riro ko -21.
Ngā Tauira
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}