Question

factorise: 64 m cube - 125 n cube.

Answer 1

64m³-125n³
(4m)³- (5n)³
a³-b³=(a²+ab+b²)(a-b)
(4m)³- (5n)³= {(4m)²+(4m)(5n)+(5n)²}(4m-5n)
=(16m²+20mn+25n²)(4m-5n)

I hope this will help you

Answer 2

hope this helps you