Ffactor
2x\left(x-10\right)\left(x+10\right)
Enrhifo
2x\left(x^{2}-100\right)
Graff
Rhannu
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2\left(x^{3}-100x\right)
Ffactora allan 2.
x\left(x^{2}-100\right)
Ystyriwch x^{3}-100x. Ffactora allan x.
\left(x-10\right)\left(x+10\right)
Ystyriwch x^{2}-100. Ailysgrifennwch x^{2}-100 fel x^{2}-10^{2}. Gellir ffactorio’r gwahaniaeth rhwng sgwariau gan ddefnyddio’r rheol: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
2x\left(x-10\right)\left(x+10\right)
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
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