Datrys ar gyfer x_5
x_{5}=\frac{x^{2}-24}{2}
Datrys ar gyfer x (complex solution)
x=-\sqrt{2\left(x_{5}+12\right)}
x=\sqrt{2\left(x_{5}+12\right)}
Datrys ar gyfer x
x=\sqrt{2\left(x_{5}+12\right)}
x=-\sqrt{2\left(x_{5}+12\right)}\text{, }x_{5}\geq -12
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x^{2}-2x_{5}+25=49
Cyfrifo 5 i bŵer 2 a chael 25.
-2x_{5}+25=49-x^{2}
Tynnu x^{2} o'r ddwy ochr.
-2x_{5}=49-x^{2}-25
Tynnu 25 o'r ddwy ochr.
-2x_{5}=24-x^{2}
Tynnu 25 o 49 i gael 24.
\frac{-2x_{5}}{-2}=\frac{24-x^{2}}{-2}
Rhannu’r ddwy ochr â -2.
x_{5}=\frac{24-x^{2}}{-2}
Mae rhannu â -2 yn dad-wneud lluosi â -2.
x_{5}=\frac{x^{2}}{2}-12
Rhannwch 24-x^{2} â -2.
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