Mathematics
Senior High
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すら 次の式を因数分解せよ。
6 (ァエ1(*二の(*十9)(*十十
人2) 22ナ4
⑰ (与式)=(*填1(*十人 X(*十2(%十き)
={(*2+59十4人Ke2二5*%) 6 +)
=(*25タ2人士10(**十5*)十24+1
=(*2上5)2十10(*2十5*)十25
=|(r2+5%)+5|7=(z2+5z十5)
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