Enrhifo
\frac{-\sqrt{7698445}-2775}{2}\approx -2774.803589702
Ffactor
\frac{-\sqrt{7698445} - 2775}{2} = -2774.80358970198
Rhannu
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-\frac{2775}{2}-\sqrt{\frac{7700625}{4}-545}
Cyfrifo \frac{2775}{2} i bŵer 2 a chael \frac{7700625}{4}.
-\frac{2775}{2}-\sqrt{\frac{7700625}{4}-\frac{2180}{4}}
Troswch y rhif degol 545 i’r ffracsiwn \frac{2180}{4}.
-\frac{2775}{2}-\sqrt{\frac{7700625-2180}{4}}
Gan fod gan \frac{7700625}{4} a \frac{2180}{4} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
-\frac{2775}{2}-\sqrt{\frac{7698445}{4}}
Tynnu 2180 o 7700625 i gael 7698445.
-\frac{2775}{2}-\frac{\sqrt{7698445}}{\sqrt{4}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{7698445}{4}} fel rhaniad ail israddau \frac{\sqrt{7698445}}{\sqrt{4}}.
-\frac{2775}{2}-\frac{\sqrt{7698445}}{2}
Cyfrifo ail isradd 4 a chael 2.
\frac{-2775-\sqrt{7698445}}{2}
Gan fod gan -\frac{2775}{2} a \frac{\sqrt{7698445}}{2} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
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