-7/(2w+4)+4=-6/w+2

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Solution for -7/(2w+4)+4=-6/w+2 equation: 


D( w )

2*w+4 = 0

w = 0

2*w+4 = 0

2*w+4 = 0

2*w+4 = 0 // - 4

2*w = -4 // : 2

w = -4/2

w = -2

w = 0

w = 0

w in (-oo:-2) U (-2:0) U (0:+oo)

4-7/(2*w+4) = 2-6/w // - 2-6/w

4-7/(2*w+4)-(-6/w)-2 = 0

6*w^-1-7/(2*w+4)-2+4 = 0

6/w-7/(2*w+4)-2+4 = 0

(-7*w)/(w*(2*w+4))+(6*(2*w+4))/(w*(2*w+4))+(-2*w*(2*w+4))/(w*(2*w+4))+(4*w*(2*w+4))/(w*(2*w+4)) = 0

6*(2*w+4)-2*w*(2*w+4)+4*w*(2*w+4)-7*w = 0

8*w^2-4*w^2+5*w-8*w+16*w+24 = 0

8*w^2-4*w^2-3*w+16*w+24 = 0

4*w^2+13*w+24 = 0

4*w^2+13*w+24 = 0

4*w^2+13*w+24 = 0

DELTA = 13^2-(4*4*24)

DELTA = -215

DELTA < 0

1 = 0

1/(w*(2*w+4)) = 0

1/(w*(2*w+4)) = 0 // * w*(2*w+4)

1 = 0

w belongs to the empty set

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