(2/2x+3)+(5/2x-3)=(14x+9/4(x^2)-9)

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Solution for (2/2x+3)+(5/2x-3)=(14x+9/4(x^2)-9) equation: 


x in (-oo:+oo)

(2/2)*x+(5/2)*x-3+3 = (9/4)*x^2+14*x-9 // - (9/4)*x^2+14*x-9

(2/2)*x-((9/4)*x^2)+(5/2)*x-(14*x)-3+3+9 = 0

(-9/4)*x^2+(2/2)*x+(5/2)*x-14*x-3+3+9 = 0

9-9/4*x^2-21/2*x = 0

DELTA = (-21/2)^2-(-9/4*4*9)

DELTA = 765/4

DELTA > 0

x = ((765/4)^(1/2)+21/2)/(-9/4*2) or x = (21/2-(765/4)^(1/2))/(-9/4*2)

x = -2/9*((765/4)^(1/2)+21/2) or x = -2/9*(21/2-(765/4)^(1/2))

x in { -2/9*((765/4)^(1/2)+21/2), -2/9*(21/2-(765/4)^(1/2)) }

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