(35X^2-11X-8)/(5X+2)

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Solution for (35X^2-11X-8)/(5X+2) equation: 


D( X )

5*X+2 = 0

5*X+2 = 0

5*X+2 = 0

5*X+2 = 0 // - 2

5*X = -2 // : 5

X = -2/5

X in (-oo:-2/5) U (-2/5:+oo)

(35*X^2-(11*X)-8)/(5*X+2) = 0

(35*X^2-11*X-8)/(5*X+2) = 0

35*X^2-11*X-8 = 0

35*X^2-11*X-8 = 0

DELTA = (-11)^2-(-8*4*35)

DELTA = 1241

DELTA > 0

X = (1241^(1/2)+11)/(2*35) or X = (11-1241^(1/2))/(2*35)

X = (1241^(1/2)+11)/70 or X = (11-1241^(1/2))/70

(X-((11-1241^(1/2))/70))*(X-((1241^(1/2)+11)/70)) = 0

((X-((11-1241^(1/2))/70))*(X-((1241^(1/2)+11)/70)))/(5*X+2) = 0

( X-((11-1241^(1/2))/70) )

X-((11-1241^(1/2))/70) = 0 // + (11-1241^(1/2))/70

X = (11-1241^(1/2))/70

( X-((1241^(1/2)+11)/70) )

X-((1241^(1/2)+11)/70) = 0 // + (1241^(1/2)+11)/70

X = (1241^(1/2)+11)/70

X in { (11-1241^(1/2))/70, (1241^(1/2)+11)/70 }

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