1/2(x^2+5x+6)

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Solution for 1/2(x^2+5x+6) equation: 


x in (-oo:+oo)

(1/2)*(x^2+5*x+6) = 0

1/2*(x^2+5*x+6) = 0

x^2+5*x+6 = 0

x^2+5*x+6 = 0

DELTA = 5^2-(1*4*6)

DELTA = 1

DELTA > 0

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

x = -2 or x = -3

(x+3)*(x+2) = 0

1/2*(x+3)*(x+2) = 0

( x+2 )

x+2 = 0 // - 2

x = -2

( x+3 )

x+3 = 0 // - 3

x = -3

x in { -2, -3 }

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