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10 cards from this deck
x=−b±b2−4ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}x=2a−b±b2−4ac
b2−4acb^2 - 4acb2−4ac
Two distinct real roots
One repeated real root
No real roots (imaginary)
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0 where a≠0a \neq 0a=0
Coefficient of x2x^2x2
Coefficient of xxx
The constant term
Plus or minus, giving two possible solutions
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