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No Calculation Needed?

Algebra Level 2

$\large x^2 - 123x + 456789 = 0$

Given that the equation above has no real roots. Which of the following options is correct?

123^2 - 4(456789) < 0

123^2 - 4(456789) = 0

123^2 - 4(456789) > 0

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by Chung Kevin

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