2-8/2(x-1)^2+15

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Solution for 2-8/2(x-1)^2+15 equation: 


x in (-oo:+oo)

2-((8/2)*(x-1)^2)+15 = 0

2-4*(x-1)^2+15 = 0

2-4*(x-1)^2+15 = 0

8*x-4*x^2-2+15 = 0

8*x-4*x^2+13 = 0

8*x-4*x^2+13 = 0

8*x-4*x^2+13 = 0

DELTA = 8^2-(-4*4*13)

DELTA = 272

DELTA > 0

x = (272^(1/2)-8)/(-4*2) or x = (-272^(1/2)-8)/(-4*2)

x = (4*17^(1/2)-8)/(-8) or x = (-4*17^(1/2)-8)/(-8)

(x-((4*17^(1/2)-8)/(-8)))*(x-((-4*17^(1/2)-8)/(-8))) = 0

(x-((4*17^(1/2)-8)/(-8)))*(x-((-4*17^(1/2)-8)/(-8))) = 0

( x-((-4*17^(1/2)-8)/(-8)) )

x-((-4*17^(1/2)-8)/(-8)) = 0 // + (-4*17^(1/2)-8)/(-8)

x = (-4*17^(1/2)-8)/(-8)

( x-((4*17^(1/2)-8)/(-8)) )

x-((4*17^(1/2)-8)/(-8)) = 0 // + (4*17^(1/2)-8)/(-8)

x = (4*17^(1/2)-8)/(-8)

x in { (-4*17^(1/2)-8)/(-8), (4*17^(1/2)-8)/(-8) }

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