121x^4+1330x^2-11=0

Solution for 121x^4+1330x^2-11=0 equation:

Simplifying
121x4 + 1330x2 + -11 = 0

Reorder the terms:
-11 + 1330x2 + 121x4 = 0

Solving
-11 + 1330x2 + 121x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-11 + -1x2)(1 + -121x2) = 0

Factor a difference between two squares.
(-11 + -1x2)((1 + 11x)(1 + -11x)) = 0

Subproblem 1
Set the factor '(-11 + -1x2)' equal to zero and attempt to solve:

Simplifying
-11 + -1x2 = 0

Solving
-11 + -1x2 = 0

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

Add '11' to each side of the equation.
-11 + 11 + -1x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -1x2 = 0 + 11
-1x2 = 0 + 11

Combine like terms: 0 + 11 = 11
-1x2 = 11

Divide each side by '-1'.
x2 = -11

Simplifying
x2 = -11

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 '(1 + 11x)' equal to zero and attempt to solve:

Simplifying
1 + 11x = 0

Solving
1 + 11x = 0

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

Add '-1' to each side of the equation.
1 + -1 + 11x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 11x = 0 + -1
11x = 0 + -1

Combine like terms: 0 + -1 = -1
11x = -1

Divide each side by '11'.
x = -0.09090909091

Simplifying
x = -0.09090909091
Subproblem 3
Set the factor '(1 + -11x)' equal to zero and attempt to solve:

Simplifying
1 + -11x = 0

Solving
1 + -11x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -11x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -11x = 0 + -1
-11x = 0 + -1

Combine like terms: 0 + -1 = -1
-11x = -1

Divide each side by '-11'.
x = 0.09090909091

Simplifying
x = 0.09090909091
Solution
x = {-0.09090909091, 0.09090909091}