Mathematics
Senior High
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青い線のところどういう変形か教えてください!

u 3x² + 3x = 4 and 3²0 43x1130 30〆とすると、 x² - 4x + 1 = 0 x=2113 3 x² = 21 13³² 2±1 X = (oys (2+√3)

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✨ Best Answer ✨

全てに3のx乗をかけています

ありがとうございます!

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