x^4=81

Simple and best practice solution for x^4=81 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^4=81 equation:


Simplifying
x4 = 81

Solving
x4 = 81

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Simplifying
x4 = 81

Reorder the terms:
-81 + x4 = 81 + -81

Combine like terms: 81 + -81 = 0
-81 + x4 = 0

Factor a difference between two squares.
(9 + x2)(-9 + x2) = 0

Factor a difference between two squares.
(9 + x2)((3 + x)(-3 + x)) = 0

Subproblem 1

Set the factor '(9 + x2)' equal to zero and attempt to solve: Simplifying 9 + x2 = 0 Solving 9 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x2 = 0 + -9 x2 = 0 + -9 Combine like terms: 0 + -9 = -9 x2 = -9 Simplifying x2 = -9 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 3

Set the factor '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Solution

x = {-3, 3}

See similar equations:

| -8x-1=-23 | | y=3x^2-10x+5 | | x^5=32 | | 5(2x-1)=2x+25 | | 2(x+6)+5=23 | | 2x^2-11x+12=0 | | -6w+1=2w-7 | | X^6+28x^3+27=0 | | 2y-16=4 | | 3a-3=-9 | | .6x^2-8=16 | | 6A+2A=24 | | x+x+x^2+x^2=84 | | 85=120-x | | 3a-3+5a-2a+33= | | 6y+8=7y-12 | | 35-3y=8 | | (5x-43)=(4X-11) | | z=9+-2z | | X=67 | | 24+6k=(k+3) | | 2k+19=3k-1 | | 3x^2-100=332 | | 3x=180000 | | 4t^4-5t^2+1=0 | | 5x=6x+22 | | 5(b+3)=2(b+4)+13 | | 4(z-7)=35 | | .3m-.3=.3 | | N+7n=47 | | 35-4f=2f+7 | | x+20=x |

Equations solver categories