Mathematics
Senior High
⑶と⑷の解き方がわかりません😭
わかりやすく教えていただけると嬉しいです！
1
(1) y=2x²-4x+2
(2) y=
2x²+x-1
(3) y=(x-1)(x-2) (4) y=(2x-1)(x+3)
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平方完成です！