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22-10-2018
Mathematics

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what does it mean to find the discriminant of an equation such as x+18 = -x^2

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22-10-2018

Calculation of the discriminant of the polynomial : 18+x+x²

Applying the formula to calculate the discriminant Δ=b²−4 ⋅ a ⋅ c with : a = 1, b= 1, c = 18
Δ = (1)² − 4 ⋅ (1) ⋅ (18) = 1 −72 = −71
The discriminant of the polynomial 18+x+x² is equal to −71

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