EVALUATE (11M-9N)^3
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(11m-9n)^3 use the formula (a-b)^3 = a^3 - b^3 -3ab(a+b).
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We know that (a-b)^3 = a^3-3a^2b+3ab^2-b^3.
(11m-9n)^3 = 1331m^3-3267m^2n+2673mn^2-729n^3.
Hope this helps!
(11m-9n)^3 = 1331m^3-3267m^2n+2673mn^2-729n^3.
Hope this helps!
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