Mathematics
Senior High
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高校数学I 因数分解です。
どのように考えたら傍線部の答えになるのですか?
x+y)(x+y=1)
(2) (4x) = x² - (3y+1)x+(y+2)(2y-1)
*(= {x-(y+2)} {x-(2y-1)}
-=(x-y-2)(x-2y+1)
30. (1) (与式)=22+(v1) r- (v2-5v+6)
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なるほど!
理解出来ました!
ありがとうございます!