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Problemau tebyg o chwiliad gwe

Rhannu

\frac{-2}{\left(2x-1\right)^{2}}-\frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch 2 â \frac{\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}.
\frac{-2-2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}
Gan fod gan \frac{-2}{\left(2x-1\right)^{2}} a \frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\frac{-2-8x^{2}+8x-2}{\left(2x-1\right)^{2}}
Gwnewch y gwaith lluosi yn -2-2\left(2x-1\right)^{2}.
\frac{-4-8x^{2}+8x}{\left(2x-1\right)^{2}}
Cyfuno termau tebyg yn -2-8x^{2}+8x-2.
\frac{-4-8x^{2}+8x}{4x^{2}-4x+1}
Ehangu \left(2x-1\right)^{2}.
\frac{-2}{\left(2x-1\right)^{2}}-\frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch 2 â \frac{\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}.
\frac{-2-2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}
Gan fod gan \frac{-2}{\left(2x-1\right)^{2}} a \frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\frac{-2-8x^{2}+8x-2}{\left(2x-1\right)^{2}}
Gwnewch y gwaith lluosi yn -2-2\left(2x-1\right)^{2}.
\frac{-4-8x^{2}+8x}{\left(2x-1\right)^{2}}
Cyfuno termau tebyg yn -2-8x^{2}+8x-2.
\frac{-4-8x^{2}+8x}{4x^{2}-4x+1}
Ehangu \left(2x-1\right)^{2}.