1/2(4-2x)2-2x

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Solution for 1/2(4-2x)2-2x equation: 


x in (-oo:+oo)

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

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

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

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

2*x^2-10*x+8 = 0

2*x^2-10*x+8 = 0

2*(x^2-5*x+4) = 0

x^2-5*x+4 = 0

DELTA = (-5)^2-(1*4*4)

DELTA = 9

DELTA > 0

x = (9^(1/2)+5)/(1*2) or x = (5-9^(1/2))/(1*2)

x = 4 or x = 1

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

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

( 2 )

2 = 0

x belongs to the empty set

( x-1 )

x-1 = 0 // + 1

x = 1

( x-4 )

x-4 = 0 // + 4

x = 4

x in { 1, 4 }

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