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Math

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What is the discriminant of the quadratic equation −2x2−8x−14=−6?

Sagot :

AMUROBRIAN18GO AMUROBRIAN18GO

Simplify first the given quadratic equation
-2x²-8x-14 = -6
-2x²-8x-14+6 = 0
-2x²-8x-8 = 0
x²+4x+4 = 0

Solve the discriminant
D = 4²-4(4)
D = 16-16
D = 0
Therefore, this equation has one real root

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