8x^2-2x-15/2

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Solution for 8x^2-2x-15/2 equation: 


x in (-oo:+oo)

8*x^2-(2*x)-(15/2) = 0

8*x^2-2*x-15/2 = 0

8*x^2-2*x-15/2 = 0

DELTA = (-2)^2-(-15/2*4*8)

DELTA = 244

DELTA > 0

x = (244^(1/2)+2)/(2*8) or x = (2-244^(1/2))/(2*8)

x = (2*61^(1/2)+2)/16 or x = (2-2*61^(1/2))/16

x in { (2-2*61^(1/2))/16, (2*61^(1/2)+2)/16 }

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