6/(x+3)+9/(x+6)/5x+21/(x^2+9x+18)

Simple and best practice solution for 6/(x+3)+9/(x+6)/5x+21/(x^2+9x+18) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 6/(x+3)+9/(x+6)/5x+21/(x^2+9x+18) equation:


D( x )

x+6 = 0

x+3 = 0

x^2+9*x+18 = 0

x+6 = 0

x+6 = 0

x+6 = 0 // - 6

x = -6

x+3 = 0

x+3 = 0

x+3 = 0 // - 3

x = -3

x^2+9*x+18 = 0

x^2+9*x+18 = 0

x^2+9*x+18 = 0

DELTA = 9^2-(1*4*18)

DELTA = 9

DELTA > 0

x = (9^(1/2)-9)/(1*2) or x = (-9^(1/2)-9)/(1*2)

x = -3 or x = -6

x in (-oo:-6) U (-6:-3) U (-3:+oo)

6/(x+3)+x*((9/(x+6))/5)+21/(x^2+9*x+18) = 0

6/(x+3)+(9*x)/(5*(x+6))+21/(x^2+9*x+18) = 0

x^2+9*x+18 = 0

x^2+9*x+18 = 0

x^2+9*x+18 = 0

DELTA = 9^2-(1*4*18)

DELTA = 9

DELTA > 0

x = (9^(1/2)-9)/(1*2) or x = (-9^(1/2)-9)/(1*2)

x = -3 or x = -6

(x+6)*(x+3) = 0

6/(x+3)+(9*x)/(5*(x+6))+21/((x+6)*(x+3)) = 0

(5*6*(x+6))/(5*(x+3)*(x+6))+(9*x*(x+3))/(5*(x+3)*(x+6))+(5*21)/(5*(x+3)*(x+6)) = 0

5*6*(x+6)+9*x*(x+3)+5*21 = 0

9*x^2+57*x+105+180 = 0

9*x^2+57*x+285 = 0

9*x^2+57*x+285 = 0

3*(3*x^2+19*x+95) = 0

3*x^2+19*x+95 = 0

DELTA = 19^2-(3*4*95)

DELTA = -779

DELTA < 0

3 = 0

3/(5*(x+3)*(x+6)) = 0

3/(5*(x+3)*(x+6)) = 0 // * 5*(x+3)*(x+6)

3 = 0

x belongs to the empty set

See similar equations:

| 5+2(4x-7)=-9-6x | | 3-2i/2+i | | x/4(x-20y-1) | | 8y+5y+3y-8= | | 2+(-3)4-(-5)= | | d^7*d^9= | | 18c-27d= | | (c-3)+(4+c)+c=196 | | 9-9=15x+10x | | 4(7)(7)+3=x | | 2x=5(-3x) | | 7(x+5)=(x+5) | | 2(c+3)=3(y+7) | | b+6b=-70 | | 2(8-3x)+2(10-4x)=10 | | -4.4-2=-5.5s-4.2 | | (12/x)-(22/x-4)+4=0 | | 3x+5y+3y-8= | | 50=j/90 | | 2(8-3x)+2(10-4x)= | | -5+3+8a+2= | | 12x-33=-33-11x | | 12x^2+8x-6=0 | | 3x=16-(-14) | | 3x-3=-0.5x+4 | | 18x+9= | | -8t-3t+12=-5t-6t | | 4+2(3x-1)=9 | | -(4-16y)=12 | | 4(2x-5)-(x+4)=3x+4 | | 14x-6=7x+6 | | d+4(d+6)=-6 |

Equations solver categories