(m + n/7) ^ 3 * (m n/7)

Type your math problem... (m + n/7) ^ 3 * (m - n/7)

Question

(m + \frac{n}{7})^{3} (m - \frac{n}{7})

Simplify the expression

\frac{2401 m ^{4} + 686 m ^{3} n - 14 m n ^{3} - n ^{4}}{2401}

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