Mathematics
Junior High
教えてくださいー😭今日の1時間目提出なんですがほんとに分かりません、!、😭😭😭
(1)〜(4)それぞれ教えてくれるとありがたいです🥲
(1) x2-25 = 0
(2)
x²+7x-30 = 0
(3) x² = 12x
(4) 5x²+7x+2=0
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