Question

Factorise 64m³ - 343n³

Answer 1

Answer:

64m³ - 343n³

Using a³ - b³ = (a-b)(a²-ab+b²)

(4m-7n)(16m²-28mn+49n²)

Answer 2

remember that a^3 - n^3 = (a-n)(a^2 + n^2 + an)

64m^3 - 343n^3 = (4m)^3 - (7n)^3 = ( 4m -7n)( 16m^2 + 49n^2 + 28mn )

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Bro the answer above is for a^3 + b^3