8/2x+8*x^2-16/4

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Solution for 8/2x+8*x^2-16/4 equation: 


x in (-oo:+oo)

8*x^2+(8/2)*x-(16/4) = 0

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

8*x^2+4*x-4 = 0

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

DELTA = 144

DELTA > 0

x = (144^(1/2)-4)/(2*8) or x = (-144^(1/2)-4)/(2*8)

x = 1/2 or x = -1

x in { -1, 1/2 }

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