Question

compute (3m-2n)³

please answer fast I need to submit it​

Answer 1

Step-by-step explanation:

$property \: used \: \\ \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} - 3(x - y)(xy)$

(3m-2n)³

= 27m³ - 8n³ - 3(3m - 2n)(3m × 2n)

= 27m³ - 8n³ - (9m - 6n)(6mn)

= 27m³ - 8n³ - 54m²n + 36mn²

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