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x in (-oo:+oo)
((4*x)/2)*(x+8) = 34 // - 34
((4*x)/2)*(x+8)-34 = 0
2*x*(x+8)-34 = 0
2*x*(x+8)-34 = 0
2*x^2+16*x-34 = 0
2*x^2+16*x-34 = 0
2*(x^2+8*x-17) = 0
x^2+8*x-17 = 0
DELTA = 8^2-(-17*1*4)
DELTA = 132
DELTA > 0
x = (132^(1/2)-8)/(1*2) or x = (-132^(1/2)-8)/(1*2)
x = (2*33^(1/2)-8)/2 or x = (-2*33^(1/2)-8)/2
2*(x-((-2*33^(1/2)-8)/2))*(x-((2*33^(1/2)-8)/2)) = 0
2*(x-((-2*33^(1/2)-8)/2))*(x-((2*33^(1/2)-8)/2)) = 0
( x-((-2*33^(1/2)-8)/2) )
x-((-2*33^(1/2)-8)/2) = 0 // + (-2*33^(1/2)-8)/2
x = (-2*33^(1/2)-8)/2
( x-((2*33^(1/2)-8)/2) )
x-((2*33^(1/2)-8)/2) = 0 // + (2*33^(1/2)-8)/2
x = (2*33^(1/2)-8)/2
x in { (-2*33^(1/2)-8)/2, (2*33^(1/2)-8)/2 }
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