Enrhifo
\frac{3a^{3}}{5}-\frac{2a^{2}}{3}
Ehangu
\frac{3a^{3}}{5}-\frac{2a^{2}}{3}
Rhannu
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-\frac{2}{5}a^{3}-\frac{7}{12}a^{2}-2ab+a^{3}-\frac{1}{3}ab-\left(\frac{1}{12}a^{2}-\frac{7}{3}ab\right)
Cyfuno \frac{1}{6}a^{2} a -\frac{3}{4}a^{2} i gael -\frac{7}{12}a^{2}.
\frac{3}{5}a^{3}-\frac{7}{12}a^{2}-2ab-\frac{1}{3}ab-\left(\frac{1}{12}a^{2}-\frac{7}{3}ab\right)
Cyfuno -\frac{2}{5}a^{3} a a^{3} i gael \frac{3}{5}a^{3}.
\frac{3}{5}a^{3}-\frac{7}{12}a^{2}-\frac{7}{3}ab-\left(\frac{1}{12}a^{2}-\frac{7}{3}ab\right)
Cyfuno -2ab a -\frac{1}{3}ab i gael -\frac{7}{3}ab.
\frac{3}{5}a^{3}-\frac{7}{12}a^{2}-\frac{7}{3}ab-\frac{1}{12}a^{2}+\frac{7}{3}ab
I ddod o hyd i wrthwyneb \frac{1}{12}a^{2}-\frac{7}{3}ab, dewch o hyd i wrthwyneb pob term.
\frac{3}{5}a^{3}-\frac{2}{3}a^{2}-\frac{7}{3}ab+\frac{7}{3}ab
Cyfuno -\frac{7}{12}a^{2} a -\frac{1}{12}a^{2} i gael -\frac{2}{3}a^{2}.
\frac{3}{5}a^{3}-\frac{2}{3}a^{2}
Cyfuno -\frac{7}{3}ab a \frac{7}{3}ab i gael 0.
-\frac{2}{5}a^{3}-\frac{7}{12}a^{2}-2ab+a^{3}-\frac{1}{3}ab-\left(\frac{1}{12}a^{2}-\frac{7}{3}ab\right)
Cyfuno \frac{1}{6}a^{2} a -\frac{3}{4}a^{2} i gael -\frac{7}{12}a^{2}.
\frac{3}{5}a^{3}-\frac{7}{12}a^{2}-2ab-\frac{1}{3}ab-\left(\frac{1}{12}a^{2}-\frac{7}{3}ab\right)
Cyfuno -\frac{2}{5}a^{3} a a^{3} i gael \frac{3}{5}a^{3}.
\frac{3}{5}a^{3}-\frac{7}{12}a^{2}-\frac{7}{3}ab-\left(\frac{1}{12}a^{2}-\frac{7}{3}ab\right)
Cyfuno -2ab a -\frac{1}{3}ab i gael -\frac{7}{3}ab.
\frac{3}{5}a^{3}-\frac{7}{12}a^{2}-\frac{7}{3}ab-\frac{1}{12}a^{2}+\frac{7}{3}ab
I ddod o hyd i wrthwyneb \frac{1}{12}a^{2}-\frac{7}{3}ab, dewch o hyd i wrthwyneb pob term.
\frac{3}{5}a^{3}-\frac{2}{3}a^{2}-\frac{7}{3}ab+\frac{7}{3}ab
Cyfuno -\frac{7}{12}a^{2} a -\frac{1}{12}a^{2} i gael -\frac{2}{3}a^{2}.
\frac{3}{5}a^{3}-\frac{2}{3}a^{2}
Cyfuno -\frac{7}{3}ab a \frac{7}{3}ab i gael 0.
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