x2-5x=3/4

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Solution for x2-5x=3/4 equation: 


x in (-oo:+oo)

x^2-(5*x) = 3/4 // - 3/4

x^2-(5*x)-(3/4) = 0

x^2-5*x-3/4 = 0

x^2-5*x-3/4 = 0

DELTA = (-5)^2-(-3/4*1*4)

DELTA = 28

DELTA > 0

x = (28^(1/2)+5)/(1*2) or x = (5-28^(1/2))/(1*2)

x = (2*7^(1/2)+5)/2 or x = (5-2*7^(1/2))/2

x in { (5-2*7^(1/2))/2, (2*7^(1/2)+5)/2 }

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