Mathematics
Senior High
Solved
最後らへんで出てきた1がどこから出てきたのかがわかりません。教えて下さい!
(2) 2a'6-3ab+a-26-2
=(2a°-3a-2)6+a-2
=(a-2(2a+1)6+(a-2)
=(a-2}(2a+1)6+1}=(a-2)2ab+b+1)
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ありがとうございました!