Whakaoti mō x
x=1
Graph
Tohaina
Kua tāruatia ki te papatopenga
x\times 12=30-18
Tangohia te 18 mai i ngā taha e rua.
x\times 12=12
Tangohia te 18 i te 30, ka 12.
x=\frac{12}{12}
Whakawehea ngā taha e rua ki te 12.
x=1
Whakawehea te 12 ki te 12, kia riro ko 1.
Ngā Tauira
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Whakarerekētanga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}