Whakaoti mō x
x\in \begin{bmatrix}-2,2\end{bmatrix}
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Tohaina
Kua tāruatia ki te papatopenga
x^{2}\leq 4
Me tāpiri te 4 ki ngā taha e rua.
x^{2}\leq 2^{2}
Tātaitia te pūtakerua o 4 kia tae ki 2. Tuhia anō te 4 hei 2^{2}.
|x|\leq 2
E mau ana te koreōrite mō |x|\leq 2.
x\in \begin{bmatrix}-2,2\end{bmatrix}
Tuhia anō te |x|\leq 2 hei x\in \left[-2,2\right].
Ngā Tauira
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