Ffactor
2\left(10c-7\right)\left(10c+7\right)
Enrhifo
200c^{2}-98
Rhannu
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2\left(100c^{2}-49\right)
Ffactora allan 2.
\left(10c-7\right)\left(10c+7\right)
Ystyriwch 100c^{2}-49. Ailysgrifennwch 100c^{2}-49 fel \left(10c\right)^{2}-7^{2}. Gellir ffactorio’r gwahaniaeth rhwng sgwariau gan ddefnyddio’r rheol: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
2\left(10c-7\right)\left(10c+7\right)
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
Enghreifftiau
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}