Will you please solve a question for me with the proper steps ....
Here it goes ...
64m3 - 343n3 ....
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64m^3 - 343n^3
(4m)^3 - (7n)^3
a^3 - b^3=( x - y) × ( x^2 + x×y - y^2)
= 4m^3 - 7n^3 = (4m-7n) ( 16m^2 + 4m×7n - 49n^2)
= (4m - 7n) (16m^2 + 28mn - 49n^2)
= 64m^3 + 343n^3 - 392mn^2.
(4m)^3 - (7n)^3
a^3 - b^3=( x - y) × ( x^2 + x×y - y^2)
= 4m^3 - 7n^3 = (4m-7n) ( 16m^2 + 4m×7n - 49n^2)
= (4m - 7n) (16m^2 + 28mn - 49n^2)
= 64m^3 + 343n^3 - 392mn^2.
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