1/6(x-15)x+20

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Solution for 1/6(x-15)x+20 equation: 


x in (-oo:+oo)

(1/6)*x*(x-15)+20 = 0

1/6*x*(x-15)+20 = 0

1/6*x*(x-15)+20 = 0

1/6*x^2-5/2*x+20 = 0

1/6*x^2-5/2*x+20 = 0

1/6*x^2-5/2*x+20 = 0

DELTA = (-5/2)^2-(1/6*4*20)

DELTA = -85/12

DELTA < 0

1 = 0

1 = 0

x belongs to the empty set

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