Ffactor
4\left(2r-5t\right)\left(4r^{2}+10rt+25t^{2}\right)
Enrhifo
32r^{3}-500t^{3}
Rhannu
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4\left(8r^{3}-125t^{3}\right)
Ffactora allan 4.
\left(2r-5t\right)\left(4r^{2}+10rt+25t^{2}\right)
Ystyriwch 8r^{3}-125t^{3}. Ailysgrifennwch 8r^{3}-125t^{3} fel \left(2r\right)^{3}-\left(5t\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).
4\left(2r-5t\right)\left(4r^{2}+10rt+25t^{2}\right)
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
Enghreifftiau
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
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