Mathematics
Junior High
Solved
(x+y+2)(x-y+2)
はなぜ写真の考え方だとできないのでしょうか…?
教えてください😭
(1)(Xtな+2) (火-
4t2)
(X+Al(x
A)
2
= C-A3
2
= X-(4+2)?
=DC-(お+4g+4)
ニズーなーチ一4
2
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本当だ、、ありがとうございます😭😭