Ffactor
\frac{\left(15y-4u\right)\left(225y^{2}+60uy+16u^{2}\right)}{27}
Enrhifo
-\frac{64u^{3}}{27}+125y^{3}
Graff
Rhannu
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\frac{3375y^{3}-64u^{3}}{27}
Ffactora allan \frac{1}{27}.
\left(15y-4u\right)\left(225y^{2}+60uy+16u^{2}\right)
Ystyriwch 3375y^{3}-64u^{3}. Ailysgrifennwch 3375y^{3}-64u^{3} fel \left(15y\right)^{3}-\left(4u\right)^{3}. Gellir ffactorio'r gwahaniaeth rhwng ciwbiau gan ddefnyddio'r rheol: a^{3}-b^{3}=\left(a-b\right)\left(a^{2}+ab+b^{2}\right).
\frac{\left(15y-4u\right)\left(225y^{2}+60uy+16u^{2}\right)}{27}
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
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