x^4+11x^2-6=0

Simple and best practice solution for x^4+11x^2-6=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^4+11x^2-6=0 equation:


Simplifying
x4 + 11x2 + -6 = 0

Reorder the terms:
-6 + 11x2 + x4 = 0

Solving
-6 + 11x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 11x2 + 6 + x4 = 0 + 6

Reorder the terms:
-6 + 6 + 11x2 + x4 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 11x2 + x4 = 0 + 6
11x2 + x4 = 0 + 6

Combine like terms: 0 + 6 = 6
11x2 + x4 = 6

The x term is 11x2.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x2 + 30.25 + x4 = 6 + 30.25

Reorder the terms:
30.25 + 11x2 + x4 = 6 + 30.25

Combine like terms: 6 + 30.25 = 36.25
30.25 + 11x2 + x4 = 36.25

Factor a perfect square on the left side:
(x2 + 5.5)(x2 + 5.5) = 36.25

Calculate the square root of the right side: 6.020797289

Break this problem into two subproblems by setting 
(x2 + 5.5) equal to 6.020797289 and -6.020797289.

Subproblem 1

x2 + 5.5 = 6.020797289 Simplifying x2 + 5.5 = 6.020797289 Reorder the terms: 5.5 + x2 = 6.020797289 Solving 5.5 + x2 = 6.020797289 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x2 = 6.020797289 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x2 = 6.020797289 + -5.5 x2 = 6.020797289 + -5.5 Combine like terms: 6.020797289 + -5.5 = 0.520797289 x2 = 0.520797289 Simplifying x2 = 0.520797289 Take the square root of each side: x = {-0.721662864, 0.721662864}

Subproblem 2

x2 + 5.5 = -6.020797289 Simplifying x2 + 5.5 = -6.020797289 Reorder the terms: 5.5 + x2 = -6.020797289 Solving 5.5 + x2 = -6.020797289 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x2 = -6.020797289 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x2 = -6.020797289 + -5.5 x2 = -6.020797289 + -5.5 Combine like terms: -6.020797289 + -5.5 = -11.520797289 x2 = -11.520797289 Simplifying x2 = -11.520797289 Reorder the terms: 11.520797289 + x2 = -11.520797289 + 11.520797289 Combine like terms: -11.520797289 + 11.520797289 = 0.000000000 11.520797289 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 11=y/8 | | x=785+-77y | | 3^4x-9=1/243 | | 0.6[x-19]=-15 | | P/7=12/4 | | x+77y=785 | | 4x+2a=3b-a | | 56-17v=-3v+14 | | x-60+3x+2(3x-x)=0 | | 9.2[x+6.4]=132.48 | | 80-19v=14v+5 | | 7p-8=4p+1 | | 56-17v=-3+14 | | 180=12x^2 | | x+x+x+60=180 | | 5w-60=4w-47 | | 5(-2n+2)=2(n+8)-6 | | -16=7y-26 | | 4(x-8)=7(-5+x)-6x | | 10-18x-6-3x=7 | | 14(4x-3)=5x-5 | | 5(8-6b)-5(2-3b)=-60 | | 10r+8=74-r | | A=piRs | | 3x+2=-5x-4 | | 7r+7=31-r | | S=12(9)+2(18) | | 8+16t-2=4t+62-2t | | -2(6-2r)-2(r+8)=-12 | | 5x+4-7x=5+x+3 | | 10r+8=74-4 | | 4x-1=x+35 |

Equations solver categories