Mathematics
Senior High
因数分解
なぜ、🟩で括らないのですか？
(3) 1+2ab+a+26=(2b+1)a+26+1 (s-c+x)(I-c
=(a+1)(2b+1)
FU 1+2ab+a+26=(2a+2)b+a+1
@
=2(a+1)b+a+1
=(a+1)(2b+1) 対称式という
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