Enrhifo
\frac{x}{5}+21
Ffactor
\frac{x+105}{5}
Graff
Rhannu
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5x\times \frac{1}{25}-3+\left(-5\right)^{2}+5\left(-\frac{1}{5}\right)
Cyfrifo -\frac{1}{5} i bŵer 2 a chael \frac{1}{25}.
\frac{5}{25}x-3+\left(-5\right)^{2}+5\left(-\frac{1}{5}\right)
Lluosi 5 a \frac{1}{25} i gael \frac{5}{25}.
\frac{1}{5}x-3+\left(-5\right)^{2}+5\left(-\frac{1}{5}\right)
Lleihau'r ffracsiwn \frac{5}{25} i'r graddau lleiaf posib drwy dynnu a chanslo allan 5.
\frac{1}{5}x-3+25+5\left(-\frac{1}{5}\right)
Cyfrifo -5 i bŵer 2 a chael 25.
\frac{1}{5}x+22+5\left(-\frac{1}{5}\right)
Adio -3 a 25 i gael 22.
\frac{1}{5}x+22-1
Canslo 5 a 5.
\frac{1}{5}x+21
Tynnu 1 o 22 i gael 21.
\frac{x+105}{5}
Ffactora allan \frac{1}{5}.
x+105
Ystyriwch x-15+125-5. Lluosi a chyfuno termau sydd yr un fath.
\frac{x+105}{5}
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
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