Question

$x3 - 64y3$
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

We know that,

a³ – b³ = (a – b) (a² + b² + ab)

x3 – 64y3 = x³ – (4y)³

Here, a = x and b = 4y

Now, substituting in the above formula, we get

x³ – (4y)³ = (x – 4y) [x² + x(4y) + (4y)²]

= (x – 4y) (x² + 4xy + 16y²)