Question

(c) Expand the following: (4m – 3n)3​

Answer 1

Answer:

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Expand the following: (4m – 3n)³

we know that : (a-b)³ = a³ - b³ -3ab ( a - b )

= (4m – 3n)³ = (4m)³ - (3n)³ - 3(4m)(3n) ( 4m-3n )

= 64m³ - 27n³ -36mn ( 4m -3n)

= 64m³ - 27n³ - 144m²n + 108mn²

Answer 2

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