Mathematics
Junior High
Resolved
下の写真の赤枠の中の問題が分かりません💦
教えてくれると助かります🙇🏻
(2) 2ab-4b²
(4)
-14a²-21ab+7a
(6) 4abc+16ab-8bc
Answers
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ありがとうございます!(´▽｀)
解けました！
次から印をつけて解きます！！