Mathematics
Senior High
(1)(3)の解き方を教えてください🙏
S
② 15 次の式を因数分解せよ。
Xa² + a²b-a(c² + b² ) + bc²-f³
(2) a(b+c)²+b(c+a)²+c(a+b)²-4abc
(3) a²b-ab²-b²c+bc²-c²a-ca²+2abc
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