Question

factorise: 729x³ - 343y³​

Answer 1

$question = 729 {x}^{3} - 343 {y}^{3} \\ \\ solution. \\ \\ 729 {x}^{3} - 343 {y}^{3} \\ \\ = (9x)^{3} - {(7y)}^{3} \: \: \: is \: the \: answer...$

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