(3x^2+11x-4)/(x+4)

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Solution for (3x^2+11x-4)/(x+4) equation: 


D( x )

x+4 = 0

x+4 = 0

x+4 = 0

x+4 = 0 // - 4

x = -4

x in (-oo:-4) U (-4:+oo)

(3*x^2+11*x-4)/(x+4) = 0

3*x^2+11*x-4 = 0

3*x^2+11*x-4 = 0

DELTA = 11^2-(-4*3*4)

DELTA = 169

DELTA > 0

x = (169^(1/2)-11)/(2*3) or x = (-169^(1/2)-11)/(2*3)

x = 1/3 or x = -4

(x+4)*(x-1/3) = 0

x-1/3 = 0

x-1/3 = 0 // + 1/3

x = 1/3

x = 1/3

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