4x^2-36x/x-9

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Solution for 4x^2-36x/x-9 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

4*x^2-((36*x)/x)-9 = 0

4*x^2-36-9 = 0

4*x^2 = 45 // : 4

x^2 = 45/4

x^2 = 45/4 // ^ 1/2

abs(x) = (45/4)^(1/2)

x = (45/4)^(1/2) or x = -(45/4)^(1/2)

x in { (45/4)^(1/2), -(45/4)^(1/2) }

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