2/2(a+2)+1/(a+3)=8/14

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Solution for 2/2(a+2)+1/(a+3)=8/14 equation: 


D( a )

a+3 = 0

a+3 = 0

a+3 = 0

a+3 = 0 // - 3

a = -3

a in (-oo:-3) U (-3:+oo)

(2/2)*(a+2)+1/(a+3) = 8/14 // - 8/14

(2/2)*(a+2)+1/(a+3)-(8/14) = 0

(2/2)*(a+2)+1/(a+3)-4/7 = 0

1*(a+2)+1/(a+3)-4/7 = 0

(1*7*(a+2)*(a+3))/(7*(a+3))+(1*7)/(7*(a+3))+(-4*(a+3))/(7*(a+3)) = 0

1*7*(a+2)*(a+3)-4*(a+3)+1*7 = 0

7*a^2+35*a-4*a-12+49 = 0

7*a^2+31*a+37 = 0

7*a^2+31*a+37 = 0

7*a^2+31*a+37 = 0

DELTA = 31^2-(4*7*37)

DELTA = -75

DELTA < 0

1 = 0

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

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

1 = 0

a belongs to the empty set

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