18-2x^2/9-3x

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Solution for 18-2x^2/9-3x equation: 


x in (-oo:+oo)

18-((2*x^2)/9)-(3*x) = 0

(-2/9)*x^2-3*x+18 = 0

18-2/9*x^2-3*x = 0

DELTA = (-3)^2-(-2/9*4*18)

DELTA = 25

DELTA > 0

x = (25^(1/2)+3)/(-2/9*2) or x = (3-25^(1/2))/(-2/9*2)

x = -18 or x = 9/2

x in { -18, 9/2 }

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