2x^2-10x=(171/2)

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Solution for 2x^2-10x=(171/2) equation: 


x in (-oo:+oo)

2*x^2-(10*x) = 171/2 // - 171/2

2*x^2-(10*x)-(171/2) = 0

2*x^2-10*x-171/2 = 0

2*x^2-10*x-171/2 = 0

DELTA = (-10)^2-(-171/2*2*4)

DELTA = 784

DELTA > 0

x = (784^(1/2)+10)/(2*2) or x = (10-784^(1/2))/(2*2)

x = 19/2 or x = -9/2

x in { -9/2, 19/2 }

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