Question

$. Simplify: m⁴x n⁴x(mn)-⁴
(m³xn-³)
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Answer 1

$= {m}^{4} \times {n}^{4} \times {m}^{ - 4} \times {n}^{ - 4} \times {m}^{ 3} \times {n}^{ - 3} \\ = {m}^{3} \times {n}^{ - 3}$