-3x^4+363=0

Solution for -3x^4+363=0 equation:

Simplifying
-3x4 + 363 = 0

Reorder the terms:
363 + -3x4 = 0

Solving
363 + -3x4 = 0

Solving for variable 'x'.

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

Add '-363' to each side of the equation.
363 + -363 + -3x4 = 0 + -363

Combine like terms: 363 + -363 = 0
0 + -3x4 = 0 + -363
-3x4 = 0 + -363

Combine like terms: 0 + -363 = -363
-3x4 = -363

Divide each side by '-3'.
x4 = 121

Simplifying
x4 = 121

Reorder the terms:
-121 + x4 = 121 + -121

Combine like terms: 121 + -121 = 0
-121 + x4 = 0

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

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

Simplifying
11 + x2 = 0

Solving
11 + x2 = 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 + x2 = 0 + -11

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

Combine like terms: 0 + -11 = -11
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 '(-11 + x2)' equal to zero and attempt to solve:

Simplifying
-11 + x2 = 0

Solving
-11 + x2 = 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 + x2 = 0 + 11

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

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

Simplifying
x2 = 11

Take the square root of each side:
x = {-3.31662479, 3.31662479}
Solution
x = {-3.31662479, 3.31662479}