Mathematics
Senior High
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75 次の式を因数分解せよ。
① (*ナ1(*二2(*十3)(*エ24)エ1
(②) *パ十8ヶ2士4
(1) (与式)=(*二1(*十④ X(ァ十2)(*十3)エ1
=人(*?十5 十4(z2二5*)二6]エ1
三(2上5 2十10(x2十5*) 24 +1
=(2二上52十10(x2+5*)+25
=[(y2?二5%)十5? =(*2二5x+5)?
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わかりやす過ぎました。ありがとうございます