343 m³ -27 n³ please factorize it
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Answered by
1
(7m)³-(3n)³
(7m-3n)(49m²-21mn+9n²)
(7m-3n)(49m²-21mn+9n²)
14566:
thanks
Answered by
5
A pleasure morning friend,
= 343m³ - 27n³
= (7m)³ - (3n)³
We know,
a³ - b³ = (a-b) (a² + ab + b²)
= (7m - 3n) [(7m)² + (7m*3n) +
(3n)²]
= (7m - 3n) [49m² + 21mn +
mn + 9n²]
Hope it helps
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