x^2-7x=-7/2

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Solution for x^2-7x=-7/2 equation: 


x in (-oo:+oo)

x^2-(7*x) = -7/2 // + -7/2

x^2-(7*x)-(-7/2) = 0

x^2-7*x+7/2 = 0

x^2-7*x+7/2 = 0

DELTA = (-7)^2-(1*7/2*4)

DELTA = 35

DELTA > 0

x = (35^(1/2)+7)/(1*2) or x = (7-35^(1/2))/(1*2)

x = (35^(1/2)+7)/2 or x = (7-35^(1/2))/2

x in { (7-35^(1/2))/2, (35^(1/2)+7)/2 }

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