samuel-khan_60ac36286929a
samuel-khan_60ac36286929a
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distribute so m^3+5^3 - m^3-2^3 now simplify m^3-125(5*5*5) -m^3- 8 (2*2*2) combine like terms....m^3-m^3 is zero and 125-8 is 117 and there's your answer