x-3/2x^2-9x+4

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Solution for x-3/2x^2-9x+4 equation: 


x in (-oo:+oo)

x-((3/2)*x^2)-(9*x)+4 = 0

(-3/2)*x^2+x-9*x+4 = 0

4-3/2*x^2-8*x = 0

DELTA = (-8)^2-(-3/2*4*4)

DELTA = 88

DELTA > 0

x = (88^(1/2)+8)/(-3/2*2) or x = (8-88^(1/2))/(-3/2*2)

x = (2*22^(1/2)+8)/(-3) or x = (8-2*22^(1/2))/(-3)

x in { (2*22^(1/2)+8)/(-3), (8-2*22^(1/2))/(-3) }

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