(2x^2+19x+35)/(2x^2+11x+15)

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Solution for (2x^2+19x+35)/(2x^2+11x+15) equation: 


D( x )

2*x^2+11*x+15 = 0

2*x^2+11*x+15 = 0

2*x^2+11*x+15 = 0

2*x^2+11*x+15 = 0

DELTA = 11^2-(2*4*15)

DELTA = 1

DELTA > 0

x = (1^(1/2)-11)/(2*2) or x = (-1^(1/2)-11)/(2*2)

x = -5/2 or x = -3

x in (-oo:-3) U (-3:-5/2) U (-5/2:+oo)

(2*x^2+19*x+35)/(2*x^2+11*x+15) = 0

2*x^2+19*x+35 = 0

2*x^2+19*x+35 = 0

DELTA = 19^2-(2*4*35)

DELTA = 81

DELTA > 0

x = (81^(1/2)-19)/(2*2) or x = (-81^(1/2)-19)/(2*2)

x = -5/2 or x = -7

(x+7)*(x+5/2) = 0

2*x^2+11*x+15 = 0

2*x^2+11*x+15 = 0

DELTA = 11^2-(2*4*15)

DELTA = 1

DELTA > 0

x = (1^(1/2)-11)/(2*2) or x = (-1^(1/2)-11)/(2*2)

x = -5/2 or x = -3

(x+3)*(x+5/2) = 0

((x+7)*(x+5/2))/((x+3)*(x+5/2)) = 0

( x+5/2 )

x+5/2 = 0 // - 5/2

x = -5/2

( x+7 )

x+7 = 0 // - 7

x = -7

x in { -5/2} 

x = -7

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