Mathematics
Senior High
Solved
マーカーで引いた部分で、なぜマイナスになるのかわかりません。教えてください。お願いします。
227 (1) xy-yz+zu―ux
=(x-2)y-ux+ zu
=(x-2)y-(x-2)u
=(x-2)(y-u)
121
10
S
Answers
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ありがとうございます。