Math, asked by monalnk59, 7 months ago

Factorise: 27x³ + 8y³

Answers

Answered by 13Pratik

17

Answer

Remember that a³ - b³ = (a - b)(a² + ab + b²).

27x³ - 8y³

= (3x)³ - (2y)³

= (3x - 2y)[(3x)² + (3x)(2y) + (2y)²]

= (3x - 2y)(9x² + 6xy + 4y²)

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