cfedwards72 cfedwards72

02-04-2016
Mathematics

contestada

f(x)=0 if f(x)=-8x^2+6x+5

Respuesta :

jkii007 jkii007

02-04-2016

use the quadratic formula
x=(-b(+-) sqrt(b^2-4*a*c))/2a
(-6(+-)sqrt 36-4*-8*5)/-16
x=20/16-(5/4)
x=8/16-(1/2)

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