Datrys ar gyfer x
x\in \left(-12,12\right)
Graff
Rhannu
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x^{2}<144
Ychwanegu 144 at y ddwy ochr.
x^{2}<12^{2}
Cyfrifo ail isradd 144 a chael 12. Ailysgrifennwch 144 fel 12^{2}.
|x|<12
Mae anghydraddoldeb ar gyfer |x|<12.
x\in \left(-12,12\right)
Ailysgrifennwch |x|<12 fel x\in \left(-12,12\right).
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