(4x^2-x)/(2x^2)

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Solution for (4x^2-x)/(2x^2) equation: 


D( x )

2*x^2 = 0

2*x^2 = 0

2*x^2 = 0

2*x^2 = 0 // : 2

x^2 = 0

x = 0

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

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

4*x^2-x = 0

x*(4*x-1) = 0

4*x-1 = 0 // + 1

4*x = 1 // : 4

x = 1/4

x*(x-1/4) = 0

(x*(x-1/4))/(2*x^2) = 0

( x-1/4 )

x-1/4 = 0 // + 1/4

x = 1/4

( x )

x = 0

x in { 0} 

x = 1/4

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