x^2-8x+7/4x^2-8x+4

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Solution for x^2-8x+7/4x^2-8x+4 equation: 


x in (-oo:+oo)

x^2+(7/4)*x^2-(8*x)-(8*x)+4 = 0

x^2+(7/4)*x^2-8*x-8*x+4 = 0

11/4*x^2-16*x+4 = 0

DELTA = (-16)^2-(11/4*4*4)

DELTA = 212

DELTA > 0

x = (212^(1/2)+16)/(2*11/4) or x = (16-212^(1/2))/(2*11/4)

x = 2/11*(2*53^(1/2)+16) or x = 2/11*(16-2*53^(1/2))

x in { 2/11*(16-2*53^(1/2)), 2/11*(2*53^(1/2)+16) }

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