Mathematics
Senior High
Resolved
この問題の考え方を一つでもいいので教えて欲しいです。
答えは(1) -(a+c)(b-c)(2c-a)
(2) (xy+x+1)(xy+y+1)です。
| 119. 次の式を因数分解せよ。
(1) op(Z十め)一20c(5一c)十cg(2c一)一3の0c
g) (zy十1)(ヶ十1)(ッ十1)士ァy
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