(-x^2/4)-(3x/4)-1=0

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Solution for (-x^2/4)-(3x/4)-1=0 equation: 


x in (-oo:+oo)

((-x)^2)/4-((3*x)/4)-1 = 0

((-x)^2)/4+(-3/4)*x-1 = 0

1/4*x^2-3/4*x-1 = 0

DELTA = (-3/4)^2-(-1*1/4*4)

DELTA = 25/16

DELTA > 0

x = ((25/16)^(1/2)+3/4)/(1/4*2) or x = (3/4-(25/16)^(1/2))/(1/4*2)

x = 4 or x = -1

x in { -1, 4 }

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