h*((h/2)+h)=54

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Solution for h*((h/2)+h)=54 equation: 


h in (-oo:+oo)

h*(h/2+h) = 54 // - 54

h*(h/2+h)-54 = 0

3/2*h*h-54 = 0

3/2*h*h-54 = 0

3/2*h^2-54 = 0

3/2*h^2-54 = 0

3/2*h^2 = 54 // : 3/2

h^2 = 36

h^2 = 36 // ^ 1/2

abs(h) = 6

h = 6 or h = -6

h in { 6, -6 }

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