Mathematics
Undergraduate
一番と二番の因数分解のやり方教えて欲しいです！途中式も知りたいです！
✓ 36 次の式を因数分解せよ。
(1) a²(b-c)+ b²(c-a)+c²(a−b)
*(2)
(a+b)(b+c)(c+a)+abc
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