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\frac{7}{5}x^{2}a+\left(a-\frac{13}{5}a\right)\left(\frac{7}{8}x^{2}-x^{2}\right)
Combine x^{2} e \frac{2}{5}x^{2} para obter \frac{7}{5}x^{2}.
\frac{7}{5}x^{2}a-\frac{8}{5}a\left(\frac{7}{8}x^{2}-x^{2}\right)
Combine a e -\frac{13}{5}a para obter -\frac{8}{5}a.
\frac{7}{5}x^{2}a-\frac{8}{5}a\left(-\frac{1}{8}\right)x^{2}
Combine \frac{7}{8}x^{2} e -x^{2} para obter -\frac{1}{8}x^{2}.
\frac{7}{5}x^{2}a+\frac{1}{5}ax^{2}
Multiplique -\frac{8}{5} e -\frac{1}{8} para obter \frac{1}{5}.
\frac{8}{5}x^{2}a
Combine \frac{7}{5}x^{2}a e \frac{1}{5}ax^{2} para obter \frac{8}{5}x^{2}a.
\frac{7}{5}x^{2}a+\left(a-\frac{13}{5}a\right)\left(\frac{7}{8}x^{2}-x^{2}\right)
Combine x^{2} e \frac{2}{5}x^{2} para obter \frac{7}{5}x^{2}.
\frac{7}{5}x^{2}a-\frac{8}{5}a\left(\frac{7}{8}x^{2}-x^{2}\right)
Combine a e -\frac{13}{5}a para obter -\frac{8}{5}a.
\frac{7}{5}x^{2}a-\frac{8}{5}a\left(-\frac{1}{8}\right)x^{2}
Combine \frac{7}{8}x^{2} e -x^{2} para obter -\frac{1}{8}x^{2}.
\frac{7}{5}x^{2}a+\frac{1}{5}ax^{2}
Multiplique -\frac{8}{5} e -\frac{1}{8} para obter \frac{1}{5}.
\frac{8}{5}x^{2}a
Combine \frac{7}{5}x^{2}a e \frac{1}{5}ax^{2} para obter \frac{8}{5}x^{2}a.