Question

factorise 27m^3-343n^3​

Answer 1

Answer:

maths in not good for health

Step-by-step explanation:

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Answer 2

Answer:

27m^3-343n^3

(3m)^3-(7n)^3

(3m-7n){(3m)^2+3n×7n+(7n)^2}

(3m-7n)(3m+7n)^2

(3m-7n)(3m+7n)(3m+7n)

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