8x+1/x^2

Simple and best practice solution for 8x+1/x^2 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 8x+1/x^2 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

8*x+1/(x^2) = 0

8*x^1+1*x^-2 = 0

(8*x^3+1*x^0)/(x^2) = 0 // * x^4

x^2*(8*x^3+1*x^0) = 0

x^2

8*x^3+1 = 0

{ 1, -1 }

1

x = 1

8*x^3+1 = 9

1

-1

x = -1

8*x^3+1 = -7

-1

{ 1/2, -1/2, 1/4, -1/4, 1/8, -1/8, -1/2, 1/2, -1/4, 1/4, -1/8, 1/8 }

1/2

x

1/2

8*x^3+1 = 2

1/2

-1/2

x

-1/2

8*x^3+1 = 0

-1/2

x+1/2

8*x^2-4*x+2

8*x^3+1

x+1/2

-8*x^3-4*x^2

1-4*x^2

4*x^2+2*x

2*x+1

-2*x-1

0

8*x^2-4*x+2 = 0

DELTA = (-4)^2-(2*4*8)

DELTA = -48

DELTA < 0

x in { -1/2} 

x = -1/2

See similar equations:

| x-25-2x=14 | | ln(2x+1)-2ln(x)=2 | | 6n+3n=90 | | -7m+21-5(m-1)=8m-(4m-3)-9m+2 | | 7/x+2=4/2x-3 | | x^2+x-3.25=0 | | 3.6+y=1 | | 4/5k-5=-7+2/3k | | x-2-6x=4 | | -[8z-(11z+9)]=9+(2z+3) | | 4m^3-10m^2= | | -2p-6(3-2p)=6(p-3)-16 | | 5x+10=-20fory | | 3x(x-2)+5(x-2)=0 | | 38x-38=38x-38 | | -8(4b+4)+(33b-9)=0 | | 5x+6(x-11)=5(x-12) | | -2=t-3s | | 62+(6x)+(6x+6)=180 | | 16s^2+72s+18=0 | | 12(-82x+26)=84(2x+62) | | 5/3x=56 | | x+5/3=56 | | 4c^2-36c=0 | | 9(3x+6)+(x+2)=11 | | 2n(8n+1)=0 | | 9x+90+y=180 | | x(-5x+2)=24 | | -3u-w=u+7w | | 4x+8+5x-7=180 | | 12+6x=42 | | 6=t+7s |

Equations solver categories