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Find the discriminant of the quadratic 5x^2 - 2x + 8 - 2x^2 + 6x + 2 - 2x^2 + 4x - 1.

 Jun 27, 2024
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If we simplify it we get x2+8x+9. The discriminant is b24ac so we get 6449=28

 

28 is the discriminant.

 Jun 27, 2024
edited by AsianMathGuy  Jun 27, 2024

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