2/x+2+15/x^2-4=0

Simple and best practice solution for 2/x+2+15/x^2-4=0 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 2/x+2+15/x^2-4=0 equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

2/x+15/(x^2)-4+2 = 0

2*x^-1+15*x^-2-2 = 0

t_1 = x^-1

15*t_1^2+2*t_1^1-2 = 0

15*t_1^2+2*t_1-2 = 0

DELTA = 2^2-(-2*4*15)

DELTA = 124

DELTA > 0

t_1 = (124^(1/2)-2)/(2*15) or t_1 = (-124^(1/2)-2)/(2*15)

t_1 = (2*31^(1/2)-2)/30 or t_1 = (-2*31^(1/2)-2)/30

t_1 = (-2*31^(1/2)-2)/30

x^-1-((-2*31^(1/2)-2)/30) = 0

1*x^-1 = (-2*31^(1/2)-2)/30 // : 1

x^-1 = (-2*31^(1/2)-2)/30

-1 < 0

1/(x^1) = (-2*31^(1/2)-2)/30 // * x^1

1 = ((-2*31^(1/2)-2)/30)*x^1 // : (-2*31^(1/2)-2)/30

30*(-2*31^(1/2)-2)^-1 = x^1

x = 30*(-2*31^(1/2)-2)^-1

t_1 = (2*31^(1/2)-2)/30

x^-1-((2*31^(1/2)-2)/30) = 0

1*x^-1 = (2*31^(1/2)-2)/30 // : 1

x^-1 = (2*31^(1/2)-2)/30

-1 < 0

1/(x^1) = (2*31^(1/2)-2)/30 // * x^1

1 = ((2*31^(1/2)-2)/30)*x^1 // : (2*31^(1/2)-2)/30

30*(2*31^(1/2)-2)^-1 = x^1

x = 30*(2*31^(1/2)-2)^-1

x in { 30*(-2*31^(1/2)-2)^-1, 30*(2*31^(1/2)-2)^-1 }

See similar equations:

| G(x)=7-3x^2+12x | | 1/6(12x-30)+5/8(16x+24)=1/4(12x-16)+2/5(10x-40) | | 8/x+5/2+3/2x | | -6(v+3)+4v+7=8v+7 | | (2x-5)+(14x+10)= | | 14=x-8x | | 8(x-6)-4(x-1)+3x= | | 6ab(8ab-5a+6b)= | | 7/9=x/9 | | 6cos^2x-5sinx-2=0 | | X-(-3x)=7+x | | x/9+8=10 | | 2-3x=8-5x | | 1/2(2x-4)+3/4(8x-16)+2/3(-6x+9)=1/2(10x-20) | | 15/x^2-4=0 | | 2/x+2=0 | | 3/4=6/x | | 3(x+4)=5x-13 | | -4(9-x)+9= | | 10=50e^12x | | 6(3+4)-3= | | 6(x+4)-3= | | 6r/8=-1 | | 3lnx+10=12 | | -17x+4=-2x+1+9x | | 6xa-2=10 | | -63-(10(-15))=57-(2(-15)) | | 7x-4x+5-3=20 | | -63-(10(15))=57-(2(15)) | | -4x-3=-9x+5 | | -x^2+4x+7-2x+9x= | | -63-150=57-30 |

Equations solver categories