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x in (-oo:+oo)
11.5 = x*((2*x+14)/16) // - x*((2*x+14)/16)
11.5-(x*((2*x+14)/16)) = 0
(-1*x*(2*x+14))/16+11.5 = 0
(-1*x*(2*x+14))/16+(11.5*16)/16 = 0
11.5*16-1*x*(2*x+14) = 0
184-2*x^2-14*x = 0
184-2*x^2-14*x = 0
2*(92-x^2-7*x) = 0
92-x^2-7*x = 0
DELTA = (-7)^2-(-1*4*92)
DELTA = 417
DELTA > 0
x = (417^(1/2)+7)/(-1*2) or x = (7-417^(1/2))/(-1*2)
x = (417^(1/2)+7)/(-2) or x = (7-417^(1/2))/(-2)
2*(x-((417^(1/2)+7)/(-2)))*(x-((7-417^(1/2))/(-2))) = 0
(2*(x-((417^(1/2)+7)/(-2)))*(x-((7-417^(1/2))/(-2))))/16 = 0
(2*(x-((417^(1/2)+7)/(-2)))*(x-((7-417^(1/2))/(-2))))/16 = 0 // * 16
2*(x-((417^(1/2)+7)/(-2)))*(x-((7-417^(1/2))/(-2))) = 0
( x-((417^(1/2)+7)/(-2)) )
x-((417^(1/2)+7)/(-2)) = 0 // + (417^(1/2)+7)/(-2)
x = (417^(1/2)+7)/(-2)
( x-((7-417^(1/2))/(-2)) )
x-((7-417^(1/2))/(-2)) = 0 // + (7-417^(1/2))/(-2)
x = (7-417^(1/2))/(-2)
x in { (417^(1/2)+7)/(-2), (7-417^(1/2))/(-2) }
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