(x+2)/(x^2+4x+3)-(5x)/(x^2-9)

Simple and best practice solution for (x+2)/(x^2+4x+3)-(5x)/(x^2-9) 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 (x+2)/(x^2+4x+3)-(5x)/(x^2-9) equation:


D( x )

x^2+4*x+3 = 0

x^2-9 = 0

x^2+4*x+3 = 0

x^2+4*x+3 = 0

x^2+4*x+3 = 0

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

DELTA = 4

DELTA > 0

x = (4^(1/2)-4)/(1*2) or x = (-4^(1/2)-4)/(1*2)

x = -1 or x = -3

x^2-9 = 0

x^2-9 = 0

1*x^2 = 9 // : 1

x^2 = 9

x^2 = 9 // ^ 1/2

abs(x) = 3

x = 3 or x = -3

x in (-oo:-3) U (-3:-1) U (-1:3) U (3:+oo)

(x+2)/(x^2+4*x+3)-((5*x)/(x^2-9)) = 0

(x+2)/(x^2+4*x+3)-5*x*(x^2-9)^-1 = 0

(x+2)/(x^2+4*x+3)+(-5*x)/(x^2-9) = 0

x^2+4*x+3 = 0

x^2+4*x+3 = 0

x^2+4*x+3 = 0

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

DELTA = 4

DELTA > 0

x = (4^(1/2)-4)/(1*2) or x = (-4^(1/2)-4)/(1*2)

x = -1 or x = -3

(x+3)*(x+1) = 0

(x+2)/((x+3)*(x+1))+(-5*x)/(x^2-9) = 0

((x+2)*(x^2-9))/((x+3)*(x+1)*(x^2-9))+(-5*x*(x+3)*(x+1))/((x+3)*(x+1)*(x^2-9)) = 0

(x+2)*(x^2-9)-5*x*(x+3)*(x+1) = 0

-4*x^3-18*x^2-24*x-18 = 0

-4*x^3-18*x^2-24*x-18 = 0

-2*(2*x^3+9*x^2+12*x+9) = 0

2*x^3+9*x^2+12*x+9 = 0

{ 1, -1, 3, -3, 9, -9 }

1

x = 1

2*x^3+9*x^2+12*x+9 = 32

1

-1

x = -1

2*x^3+9*x^2+12*x+9 = 4

-1

3

x = 3

2*x^3+9*x^2+12*x+9 = 180

3

-3

x = -3

2*x^3+9*x^2+12*x+9 = 0

-3

x+3

2*x^2+3*x+3

2*x^3+9*x^2+12*x+9

x+3

-2*x^3-6*x^2

3*x^2+12*x+9

-3*x^2-9*x

3*x+9

-3*x-9

0

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

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

DELTA = -15

DELTA < 0

x in { -3}

-2*(x+3) = 0

(-2*(x+3))/((x+3)*(x+1)*(x^2-9)) = 0

(-2*(x+3))/((x+3)*(x+1)*(x^2-9)) = 0 // * (x+3)*(x+1)*(x^2-9)

-2*(x+3) = 0

x+3 = 0 // - 3

x = -3

x in { -3}

x belongs to the empty set

See similar equations:

| (-a)+16a-14a-(-7a)-(-20)=(-4) | | h+45=73 | | -10=x-14 | | h-52=7 | | 8(x+3)=8 | | y+12=2.5(x+4) | | p-39=19 | | -10=x-18 | | 4(3a-2)=77 | | 10=6(x-8) | | 49+a=199 | | 400=5m+50 | | 106=u+55 | | y-7=-7(x-7) | | 4(2a+4)=77 | | x+20x/100=120 | | 89=7+j | | y+4=-9(x+3) | | 20+x=70 | | 3(a+3)=77 | | 76-b=43 | | -31=x-48 | | 2(3a+1)=77 | | 37=39-w | | x^2+24x-325=0 | | q+26=53 | | y-4=-3(x+1) | | X+5+x+2+2x=27 | | y+1=2(x-3) | | 126=x+61 | | x+7=5(3x-5) | | 4x^2-4xy+y^2-3x+4y-7=0 |

Equations solver categories