x^8-13x^4+36=0

Simple and best practice solution for x^8-13x^4+36=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 x^8-13x^4+36=0 equation:


Simplifying
x8 + -13x4 + 36 = 0

Reorder the terms:
36 + -13x4 + x8 = 0

Solving
36 + -13x4 + x8 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -1x4)(9 + -1x4) = 0

Factor a difference between two squares.
((2 + x2)(2 + -1x2))(9 + -1x4) = 0

Factor a difference between two squares.
((3 + x2)(3 + -1x2))(2 + x2)(2 + -1x2) = 0

Subproblem 1

Set the factor '(2 + x2)' equal to zero and attempt to solve: Simplifying 2 + x2 = 0 Solving 2 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x2 = 0 + -2 x2 = 0 + -2 Combine like terms: 0 + -2 = -2 x2 = -2 Simplifying x2 = -2 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 '(2 + -1x2)' equal to zero and attempt to solve: Simplifying 2 + -1x2 = 0 Solving 2 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x2 = 0 + -2 -1x2 = 0 + -2 Combine like terms: 0 + -2 = -2 -1x2 = -2 Divide each side by '-1'. x2 = 2 Simplifying x2 = 2 Take the square root of each side: x = {-1.414213562, 1.414213562}

Subproblem 3

Set the factor '(3 + x2)' equal to zero and attempt to solve: Simplifying 3 + x2 = 0 Solving 3 + x2 = 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 + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x2 = 0 + -3 x2 = 0 + -3 Combine like terms: 0 + -3 = -3 x2 = -3 Simplifying x2 = -3 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 4

Set the factor '(3 + -1x2)' equal to zero and attempt to solve: Simplifying 3 + -1x2 = 0 Solving 3 + -1x2 = 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 + -1x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x2 = 0 + -3 -1x2 = 0 + -3 Combine like terms: 0 + -3 = -3 -1x2 = -3 Divide each side by '-1'. x2 = 3 Simplifying x2 = 3 Take the square root of each side: x = {-1.732050808, 1.732050808}

Solution

x = {-1.414213562, 1.414213562, -1.732050808, 1.732050808}

See similar equations:

| 19x+34=x | | 5-9=2x | | 18(2-7)+3=30 | | .333333n+.75=.833333n-1 | | -7x-5x-181=47 | | y=20-(3x-10) | | 5(.5)= | | 1.1x+1.2-5.4=-10 | | x-7.9=-5.8 | | s+39=18 | | 2.5x+35=2x+9 | | -31+4x+x=34 | | 13(x+8)=60 | | .9w-.5w+.1w=-3 | | 3x+4x+1=36 | | .6667(6-9)=4x+1 | | 2(w+6)-6w=4(w+3) | | -4=2+s | | |7y-3|+1=0 | | -(1-7)-6(-7-x)=36 | | 8x-6=-3x+49 | | 7x-3(-6x+11)=167 | | 2-3(2-g)=0 | | 2t^2-6t=0 | | x+7=-12 | | 7.18+2.9= | | 5+1.8=4-3.2 | | 4x+8+6x=98 | | |5p+3|-4=2p | | 5x-84+7x=144 | | 3x(x-4)+3=7-2(x-1) | | 3/5(2x+8)=18 |

Equations solver categories