factorise 125m³ -64n³
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Answer:
(5m-4n)(25m2+20mn+16n^2)
Step-by-step explanation:
a³-b³=(a-b)(a^2 + ab + b^2)
125m³ -64n³
=(5m)³-(4n)³
=(5m-4n)(25m2+20mn+16n^2)
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