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The Quadratic Formula

BONUS: Mathematical Operations and Functions / The Quadratic Formula / 문제 1

문제 1

Solve the equation 2x^2 - 4x - 6 = 0 using the quadratic formula.

A

x = 2 or x = -3

B

x = 1 or x = 2

C

x = 3 or x = -1

D

x = -2 or x = 3