Ffactor
\frac{\left(3x-1\right)^{3}}{27}
Enrhifo
\frac{\left(3x-1\right)^{3}}{27}
Graff
Rhannu
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\frac{27x^{3}-27x^{2}+9x-1}{27}
Ffactora allan \frac{1}{27}.
\left(3x-1\right)^{3}
Ystyriwch 27x^{3}-27x^{2}+9x-1. Defnyddiwch y fformiwla ciwb binomaidd, a^{3}-3a^{2}b+3ab^{2}-b^{3}=\left(a-b\right)^{3}, lle a=3x a b=1.
\frac{\left(3x-1\right)^{3}}{27}
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
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