Mathematics
Senior High
4問教えて欲しいです🙏
次の 2 次式を平方完成せよ。
2 1) 2ヶ2ー8ァー3 (2) 3z2十9ヶ十4
(3) 一2ヶ?十4ヶ十3 (4) 一2x?ー6x十1
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