(3m)/(7m+7)+(m+1)/(3m)

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Solution for (3m)/(7m+7)+(m+1)/(3m) equation: 


D( m )

3*m = 0

7*m+7 = 0

3*m = 0

3*m = 0

3*m = 0 // : 3

m = 0

7*m+7 = 0

7*m+7 = 0

7*m+7 = 0 // - 7

7*m = -7 // : 7

m = -7/7

m = -1

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

(3*m)/(7*m+7)+(m+1)/(3*m) = 0

((3*m)^2)/(3*m*(7*m+7))+((m+1)*(7*m+7))/(3*m*(7*m+7)) = 0

(m+1)*(7*m+7)+9*m^2 = 0

16*m^2+14*m+7 = 0

16*m^2+14*m+7 = 0

16*m^2+14*m+7 = 0

DELTA = 14^2-(4*7*16)

DELTA = -252

DELTA < 0

1 = 0

1/(3*m*(7*m+7)) = 0

1/(3*m*(7*m+7)) = 0 // * 3*m*(7*m+7)

1 = 0

m belongs to the empty set

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