2x^2-5/x=51

Simple and best practice solution for 2x^2-5/x=51 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 2x^2-5/x=51 equation: 


D( x )

x = 0

x = 0

x = 0

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

2*x^2-(5/x) = 51 // - 51

2*x^2-(5/x)-51 = 0

2*x^2-5*x^-1-51 = 0

2*x^2-5*x^-1-51*x^0 = 0

(2*x^3-51*x^1-5*x^0)/(x^1) = 0 // * x^2

x^1*(2*x^3-51*x^1-5*x^0) = 0

x^1

2*x^3-51*x-5 = 0

{ 1, -1, 5, -5 }

1

x = 1

2*x^3-51*x-5 = -54

1

-1

x = -1

2*x^3-51*x-5 = 44

-1

5

x = 5

2*x^3-51*x-5 = -10

5

-5

x = -5

2*x^3-51*x-5 = 0

-5

x+5

2*x^2-10*x-1

2*x^3-51*x-5

x+5

-2*x^3-10*x^2

-10*x^2-51*x-5

10*x^2+50*x

-x-5

x+5

0

2*x^2-10*x-1 = 0

DELTA = (-10)^2-(-1*2*4)

DELTA = 108

DELTA > 0

x = (108^(1/2)+10)/(2*2) or x = (10-108^(1/2))/(2*2)

x = (6*3^(1/2)+10)/4 or x = (10-6*3^(1/2))/4

x in { (10-6*3^(1/2))/4, (6*3^(1/2)+10)/4, -5} 

x in { (10-6*3^(1/2))/4, (6*3^(1/2)+10)/4, -5 }

See similar equations:

| 5m-7=9-3 | | (2x+1)2-(5x-2)2=0 | | 3-b=7b-8 | | (3x+1)(2-7x)=0 | | 5x+4=-2x+7 | | f(x)=ln(2x+1) | | f(x)=In(2x+1) | | 16-2x=-16-6x | | (-x-4)*(3x+3)=0 | | (3x)(3x+3)=270 | | x*-11x=0 | | -2x+13=0.4x+1 | | 7e^4x=28 | | 2(3-2x)=13 | | 1/5-(1/2x2) | | 100=x+.06(x) | | 4x-9/7=1 | | h(x)=4x^3+9x^2-30x-10 | | 5x+4y=180+0.1xy | | 4(7/2) | | 4000x^3-x-1=0 | | 11+2x-12x=3(x-5) | | 10=12x^2+18x-30x | | 9+x=5 | | 2(m+5)=30 | | a(5a+4)=1 | | 10x-7=3x+14 | | x(x+7)+5=0 | | 1.225*1.05= | | 10x^2-47x+42=0 | | 2x+2xlog(x^2)=0 | | 2x+2xln(x^2)=0 |

Equations solver categories