24-03-2017
Mathematics

contestada

Solving Quardratic Equation

x^3 + 5x^2 -16x - 80 = 0

Respuesta :

wolf1728 wolf1728

24-03-2017

This is not a quadratic equation.
It is a cubic equation.
X1 = 4
X2 = -5
X3 = -4

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