2x^2/5+5x/4=0

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Solution for 2x^2/5+5x/4=0 equation: 


x in (-oo:+oo)

(2*x^2)/5+(5*x)/4 = 0

2/5*x^2+5/4*x = 0

DELTA = (5/4)^2-(0*2/5*4)

DELTA = 25/16

DELTA > 0

x = ((25/16)^(1/2)-5/4)/(2/5*2) or x = (-(25/16)^(1/2)-5/4)/(2/5*2)

x = 0 or x = -25/8

x in { -25/8, 0 }

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