1-81/x^4

Simple and best practice solution for 1-81/x^4 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 1-81/x^4 equation: 


D( x )

x^4 = 0

x^4 = 0

x^4 = 0

1*x^4 = 0 // : 1

x^4 = 0

x = 0

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

1-(81/(x^4)) = 0

1-81*x^-4 = 0

-81*x^-4 = -1 // : -81

x^-4 = 1/81

-4 < 0

1/(x^4) = 1/81 // * x^4

1 = 1/81*x^4 // : 1/81

81 = x^4

x^4 = 81 // ^ 1/4

abs(x) = 3

x = 3 or x = -3

x in { 3, -3 }

See similar equations:

| -5+2y=11 | | -76-5x=4x+176 | | 6x^4-9x^2+4x^2-6= | | 11m+15=45-4m | | -10+2y=11 | | c=3.14fb | | 4x-6+2x=180 | | x^2+18x-72=0 | | 324/x^5=0 | | 8x+19=x+33 | | 7.8y-3.53=-16.79 | | -30+2y=11 | | X-3x=45 | | -0.666666667+2z=-0.5 | | 39-7x=53 | | 6x+6=-4y | | 8x-3y+2z-4w=-24 | | x-24=-22 | | 7r=4.9 | | 5p+6q=60 | | -4m+6-2m=-6m+9+1 | | (6x-4)(7x+7)=0 | | x+15=-2x+45 | | 7w-20=36w+9 | | 6=-y/5 | | -20+10-30+4x=0 | | x^2-y^2-4x-4y-9=0 | | 4x-7=3x+24 | | (7/9)-(x/7)=(4/63) | | -25+2y=11 | | -20+2y=11 | | 5t-2t=-15 |

Equations solver categories