Whakaoti mō x
x\in \begin{bmatrix}-3,3\end{bmatrix}
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Tohaina
Kua tāruatia ki te papatopenga
x^{2}\leq 9
Me tāpiri te 9 ki ngā taha e rua.
x^{2}\leq 3^{2}
Tātaitia te pūtakerua o 9 kia tae ki 3. Tuhia anō te 9 hei 3^{2}.
|x|\leq 3
E mau ana te koreōrite mō |x|\leq 3.
x\in \begin{bmatrix}-3,3\end{bmatrix}
Tuhia anō te |x|\leq 3 hei x\in \left[-3,3\right].
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