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D( x )
x^2+2*x-24 = 0
x^2+2*x-24 = 0
x^2+2*x-24 = 0
x^2+2*x-24 = 0
DELTA = 2^2-(-24*1*4)
DELTA = 100
DELTA > 0
x = (100^(1/2)-2)/(1*2) or x = (-100^(1/2)-2)/(1*2)
x = 4 or x = -6
x in (-oo:-6) U (-6:4) U (4:+oo)
(x^3+6*x^2)/(x^2+2*x-24) = 0
x^3+6*x^2 = 0
x^2*(x+6) = 0
x+6 = 0 // - 6
x = -6
x^2*(x+6) = 0
x^2+2*x-24 = 0
x^2+2*x-24 = 0
DELTA = 2^2-(-24*1*4)
DELTA = 100
DELTA > 0
x = (100^(1/2)-2)/(1*2) or x = (-100^(1/2)-2)/(1*2)
x = 4 or x = -6
(x+6)*(x-4) = 0
(x^2*(x+6))/((x+6)*(x-4)) = 0
( x+6 )
x+6 = 0 // - 6
x = -6
( x^2 )
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in { -6}
x = 0
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