factories the 64m³-343n³
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Answered by
2
Answer:
(4m)^3-(7n)^3
(a^3-b^3)
Answered by
9
Step-by-step explanation:
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64m³ - 343n³
= (4m)³ - (7n)³
= (4m - 7n)³
= (a - b)³
= (a - b) (a² + ab + b²)
= (4m - 7n) [(4m)² + 4m×7n + (7n)²]
= (4m - 7n) (16m² + 28mn + 49n²)
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