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31-05-2016
Mathematics

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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
x^2 + 3 = -4x

A. 1,3
B. -1,-3
C. 1,-3
D. -1, 3

Respuesta :

31-05-2016

Hello,

x²+4x+3=0
x=(-4-2)/2=-3 or x=(-4+2)/2=-1

Answer B (-1,-3)

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