Datrys ar gyfer b
b=\frac{7x+20}{x^{2}}
x\neq 0
Datrys ar gyfer x (complex solution)
\left\{\begin{matrix}x=\frac{\sqrt{80b+49}+7}{2b}\text{; }x=\frac{-\sqrt{80b+49}+7}{2b}\text{, }&b\neq 0\\x=-\frac{20}{7}\text{, }&b=0\end{matrix}\right.
Datrys ar gyfer x
\left\{\begin{matrix}x=\frac{\sqrt{80b+49}+7}{2b}\text{; }x=\frac{-\sqrt{80b+49}+7}{2b}\text{, }&b\neq 0\text{ and }b\geq -\frac{49}{80}\\x=-\frac{20}{7}\text{, }&b=0\end{matrix}\right.
Graff
Rhannu
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x^{2}b=7x+20
Mae'r hafaliad yn y ffurf safonol.
\frac{x^{2}b}{x^{2}}=\frac{7x+20}{x^{2}}
Rhannu’r ddwy ochr â x^{2}.
b=\frac{7x+20}{x^{2}}
Mae rhannu â x^{2} yn dad-wneud lluosi â x^{2}.
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