(4m)/(m^2+7m+12)/(m)/(m^2+3m-4)

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Solution for (4m)/(m^2+7m+12)/(m)/(m^2+3m-4) equation: 


D( m )

m = 0

m^2+7*m+12 = 0

m^2+3*m-4 = 0

m = 0

m = 0

m^2+7*m+12 = 0

m^2+7*m+12 = 0

m^2+7*m+12 = 0

DELTA = 7^2-(1*4*12)

DELTA = 1

DELTA > 0

m = (1^(1/2)-7)/(1*2) or m = (-1^(1/2)-7)/(1*2)

m = -3 or m = -4

m^2+3*m-4 = 0

m^2+3*m-4 = 0

m^2+3*m-4 = 0

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

DELTA = 25

DELTA > 0

m = (25^(1/2)-3)/(1*2) or m = (-25^(1/2)-3)/(1*2)

m = 1 or m = -4

m in (-oo:-4) U (-4:-3) U (-3:0) U (0:1) U (1:+oo)

(((4*m)/(m^2+7*m+12))/m)/(m^2+3*m-4) = 0

(4*m)/(m*(m^2+7*m+12)*(m^2+3*m-4)) = 0

m^2+7*m+12 = 0

m^2+7*m+12 = 0

DELTA = 7^2-(1*4*12)

DELTA = 1

DELTA > 0

m = (1^(1/2)-7)/(1*2) or m = (-1^(1/2)-7)/(1*2)

m = -3 or m = -4

(m+4)*(m+3) = 0

m^2+3*m-4 = 0

m^2+3*m-4 = 0

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

DELTA = 25

DELTA > 0

m = (25^(1/2)-3)/(1*2) or m = (-25^(1/2)-3)/(1*2)

m = 1 or m = -4

(m+4)*(m-1) = 0

(4*m)/(m*(m+4)^2*(m+3)*(m-1)) = 0

4*m = 0 // : 4

m = 0

m in { 0} 

m belongs to the empty set

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