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The Quadratic Formula

5. BONUS: Mathematical Operations and Functions / The Quadratic Formula / 문제 6

문제 6

Which of the following equations is in the standard quadratic form?

A

x(x - 2) = 3

B

2x = 4 - x²

C

3x² - 2x + 1 = 0

D

x² + 3x = 5