Sagot :
SOLUTION
The cube of the difference of a binomial property
- (a-b)³ = a³-3a²b+3ab²-b³
Let a = b , and b = c
- (b-c)³ = b³-3b²c+3bc²-c³
ANSWER
- (b-c)³ = b³-3b²c+3bc²-c³
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