Datrys ar gyfer x (complex solution)
x=-\sqrt{5}i+4\approx 4-2.236067977i
x=4+\sqrt{5}i\approx 4+2.236067977i
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x-4-\left(-4\right)=\sqrt{5}i-\left(-4\right) x-4-\left(-4\right)=-\sqrt{5}i-\left(-4\right)
Adio 4 at ddwy ochr yr hafaliad.
x=\sqrt{5}i-\left(-4\right) x=-\sqrt{5}i-\left(-4\right)
Mae tynnu -4 o’i hun yn gadael 0.
x=4+\sqrt{5}i
Tynnu -4 o i\sqrt{5}.
x=-\sqrt{5}i+4
Tynnu -4 o -i\sqrt{5}.
x=4+\sqrt{5}i x=-\sqrt{5}i+4
Mae’r hafaliad wedi’i ddatrys nawr.
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