Mathematics
Senior High
平方完成の問題です。YouTubeで見ながら解いたんですけど合ってますか？間違ってたら解き方を教えてください🙏
y= -2x²+4x+3
=2(x²-2x) +3
=
2(x-1)² -2+3
=2(x-1)²+1
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