Enrhifo
\frac{8\sqrt{2086}}{149}-\frac{9}{25}\approx 2.092228134
Ffactor
\frac{200 \sqrt{2086} - 1341}{3725} = 2.092228133512856
Rhannu
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\frac{\sqrt{56}}{\sqrt{149}}\times \frac{12}{3}-\left(\frac{3}{5}\right)^{2}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{56}{149}} fel rhaniad ail israddau \frac{\sqrt{56}}{\sqrt{149}}.
\frac{2\sqrt{14}}{\sqrt{149}}\times \frac{12}{3}-\left(\frac{3}{5}\right)^{2}
Ffactora 56=2^{2}\times 14. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 14} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{14}. Cymryd isradd 2^{2}.
\frac{2\sqrt{14}\sqrt{149}}{\left(\sqrt{149}\right)^{2}}\times \frac{12}{3}-\left(\frac{3}{5}\right)^{2}
Mae'n rhesymoli enwadur \frac{2\sqrt{14}}{\sqrt{149}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{149}.
\frac{2\sqrt{14}\sqrt{149}}{149}\times \frac{12}{3}-\left(\frac{3}{5}\right)^{2}
Sgwâr \sqrt{149} yw 149.
\frac{2\sqrt{2086}}{149}\times \frac{12}{3}-\left(\frac{3}{5}\right)^{2}
I luosi \sqrt{14} a \sqrt{149}, dylid lluosi'r rhifau dan yr ail isradd.
\frac{2\sqrt{2086}}{149}\times 4-\left(\frac{3}{5}\right)^{2}
Rhannu 12 â 3 i gael 4.
\frac{2\sqrt{2086}\times 4}{149}-\left(\frac{3}{5}\right)^{2}
Mynegwch \frac{2\sqrt{2086}}{149}\times 4 fel ffracsiwn unigol.
\frac{2\sqrt{2086}\times 4}{149}-\frac{9}{25}
Cyfrifo \frac{3}{5} i bŵer 2 a chael \frac{9}{25}.
\frac{25\times 2\sqrt{2086}\times 4}{3725}-\frac{9\times 149}{3725}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin 149 a 25 yw 3725. Lluoswch \frac{2\sqrt{2086}\times 4}{149} â \frac{25}{25}. Lluoswch \frac{9}{25} â \frac{149}{149}.
\frac{25\times 2\sqrt{2086}\times 4-9\times 149}{3725}
Gan fod gan \frac{25\times 2\sqrt{2086}\times 4}{3725} a \frac{9\times 149}{3725} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\frac{200\sqrt{2086}-1341}{3725}
Gwnewch y gwaith lluosi yn 25\times 2\sqrt{2086}\times 4-9\times 149.
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