Mathematics
Senior High
Solved
=(a²-b²)(b-c)
の(b-c)がどこから来たのかわかんないです💦
(2) a2b+b2c-b³-a²c
=(62-a²)c+b(a²-b²)
=(a²-b²)(b-c)
11-28+8
=(a+b)(a-b)(b-c)()
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