Mathematics
Junior High
Solved
これ系の問題が分かりません解説お願いします🙇🏻♀️
(1) 25x²-20x+4
(2) 4x²y²-12xy +9
(3) 3a²b-21ab-54b
(4) a(a +3) - 40
(5) (x+y)² +3(x+y)+2
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全部出来ました😭ありがとうございます！！