Question

64m³-343n²?

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Answer 1

ᴡᴇ ʜᴀᴠᴇ , 64ᴍ³ - 343ɴ³ = (4ᴍ)³ - (7ɴ)³

ᴜsɪɴɢ x³ - ʏ³ = (x-ʏ) (x²+ xʏ + ʏ²)

= (4ᴍ - 7ɴ) { (4ᴍ)² + (4ᴍ)(7ɴ) + (7ɴ)² }

= (4ᴍ-7ɴ) (16ᴍ² + 28ᴍɴ + 49ɴ²)

Hope it is helpful for you

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Answer 2

Explanation:

ᴡᴇ ʜᴀᴠᴇ , 64ᴍ³ - 343ɴ³ = (4ᴍ)³ - (7ɴ)³

ᴜsɪɴɢ x³ - ʏ³ = (x-ʏ) (x²+ xʏ + ʏ²)

= (4ᴍ - 7ɴ) { (4ᴍ)² + (4ᴍ)(7ɴ) + (7ɴ)² }

= (4ᴍ-7ɴ) (16ᴍ² + 28ᴍɴ + 49ɴ²)