Question

factorise:
$729x^{3} - 512x^{3}$
​

Answer 1

Answer:

729x³-512x³

(9x)³-(8x)³

using a³-b³=(a-b) (a²+b²+ab)

(9x-8x) (81x²+64x²+72x²)

(x) (217x²)

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