(5X^3+12X^2-9X-7)/(x^2+2x-3)

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Solution for (5X^3+12X^2-9X-7)/(x^2+2x-3) equation: 


D( x )

x^2+2*x-3 = 0

x^2+2*x-3 = 0

x^2+2*x-3 = 0

x^2+2*x-3 = 0

DELTA = 2^2-(-3*1*4)

DELTA = 16

DELTA > 0

x = (16^(1/2)-2)/(1*2) or x = (-16^(1/2)-2)/(1*2)

x = 1 or x = -3

x in (-oo:-3) U (-3:1) U (1:+oo)

(5*X^3+12*X^2-(9*X)-7)/(x^2+2*x-3) = 0

(5*X^3+12*X^2-9*X-7)/(x^2+2*x-3) = 0

x^2+2*x-3 = 0

x^2+2*x-3 = 0

DELTA = 2^2-(-3*1*4)

DELTA = 16

DELTA > 0

x = (16^(1/2)-2)/(1*2) or x = (-16^(1/2)-2)/(1*2)

x = 1 or x = -3

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

(5*X^3+12*X^2-9*X-7)/((x+3)*(x-1)) = 0

x belongs to the empty set

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