k2a8tomerajNk k2a8tomerajNk

01-02-2017
Mathematics

contestada

Find the roots
2x 2 + 4x - 5 =0

Respuesta :

wolf1728 wolf1728

07-02-2017

Use the quadratic formula
x = [-4 +- sqrt (16 - 4*2*-5)] / 4
x1 = [-4 + sqrt (56)] / 4

x2 = [-4 - sqrt (56)] / 4

Answer Link

littledj115 littledj115

01-04-2022

Answer:

Unfortunately, I cannot show the work because I got the answer from a friend, but he got

-2 +- root(14)/ 2

Answer Link

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