Question

evaluate using identity
64m³- 343n³

Answer 1

Answer:

Step-by-step explanation:

This is of the form

a³-b³= (a-b)(a²+b²+ab)

(4m)³ - (7n)³

(4m-7n){(4m)²+(7n)²+4m×7n}

(4m-7n)(16m²+49n²+28mn)

Hope this answers your question.