Question

Factorise it. 1. 64m³-343n³. 2. 25a²-35a+12. please answer as early as possible​

Answer 1

Answer:

64m³ - 343n³

We know that,

x³ - y³ = (x-y) ( x² - xy + y² )

So, here

x = 4m , y = 7n

= 64m³ - 343n³ = (4m - 7n) { (4m)² + 4m*7n + (7n)² }

= 64m³ - 343n³ = (4m - 7n) { 16m² + 28mn + 49n² }

hope it helps

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Step-by-step explanation: