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The Quadratic Formula
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The Quadratic Formula
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1. Equations and Inequalities / The Quadratic Formula / Problem 1
Problem 1
By completing the square, solve the following equation.
x
2
- 2x - 23 = 0
A
x = 1 + 2√6, 1 - 2√6
B
x = - 1 + 2√6, - 1 - 2√6
C
x = 2√6 - 1, 2√6 + 1
D
x = 6√2 - 1, 6√2 + 1
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