Mathematics
Junior High
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この次にいけません。誰かお願いします🙇‍♀️

2 1+2ab-2a-b 2ab-2a-b- = 2á (b − 1) = (6+1) 20 lb- 20

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✨ Best Answer ✨

因数分解ならこれです!!

じあ

またまたありがとうございます🙇‍♀️

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2行目から3行目に変形する際に、
 -b+1
=-(b-1)
ですよ🙆‍♂️

じあ

教えてくれてありがとうございます😊

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