Enrhifo
3\sqrt{85891}\approx 879.214990773
Rhannu
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\sqrt{266256+3\times 411^{2}}
Cyfrifo 516 i bŵer 2 a chael 266256.
\sqrt{266256+3\times 168921}
Cyfrifo 411 i bŵer 2 a chael 168921.
\sqrt{266256+506763}
Lluosi 3 a 168921 i gael 506763.
\sqrt{773019}
Adio 266256 a 506763 i gael 773019.
3\sqrt{85891}
Ffactora 773019=3^{2}\times 85891. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 85891} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{85891}. Cymryd isradd 3^{2}.
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