-0.44x^4-x^2+3.52=0

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Solution for -0.44x^4-x^2+3.52=0 equation:


Simplifying
-0.44x4 + -1x2 + 3.52 = 0

Reorder the terms:
3.52 + -1x2 + -0.44x4 = 0

Solving
3.52 + -1x2 + -0.44x4 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.44 the coefficient of the squared term: 

Divide each side by '-0.44'.
-8 + 2.272727273x2 + x4 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + 2.272727273x2 + 8 + x4 = 0 + 8

Reorder the terms:
-8 + 8 + 2.272727273x2 + x4 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2.272727273x2 + x4 = 0 + 8
2.272727273x2 + x4 = 0 + 8

Combine like terms: 0 + 8 = 8
2.272727273x2 + x4 = 8

The x term is 2.272727273x2.  Take half its coefficient (1.136363637).
Square it (1.291322316) and add it to both sides.

Add '1.291322316' to each side of the equation.
2.272727273x2 + 1.291322316 + x4 = 8 + 1.291322316

Reorder the terms:
1.291322316 + 2.272727273x2 + x4 = 8 + 1.291322316

Combine like terms: 8 + 1.291322316 = 9.291322316
1.291322316 + 2.272727273x2 + x4 = 9.291322316

Factor a perfect square on the left side:
(x2 + 1.136363637)(x2 + 1.136363637) = 9.291322316

Calculate the square root of the right side: 3.048167042

Break this problem into two subproblems by setting 
(x2 + 1.136363637) equal to 3.048167042 and -3.048167042.

Subproblem 1

x2 + 1.136363637 = 3.048167042 Simplifying x2 + 1.136363637 = 3.048167042 Reorder the terms: 1.136363637 + x2 = 3.048167042 Solving 1.136363637 + x2 = 3.048167042 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.136363637' to each side of the equation. 1.136363637 + -1.136363637 + x2 = 3.048167042 + -1.136363637 Combine like terms: 1.136363637 + -1.136363637 = 0.000000000 0.000000000 + x2 = 3.048167042 + -1.136363637 x2 = 3.048167042 + -1.136363637 Combine like terms: 3.048167042 + -1.136363637 = 1.911803405 x2 = 1.911803405 Simplifying x2 = 1.911803405 Take the square root of each side: x = {-1.382679791, 1.382679791}

Subproblem 2

x2 + 1.136363637 = -3.048167042 Simplifying x2 + 1.136363637 = -3.048167042 Reorder the terms: 1.136363637 + x2 = -3.048167042 Solving 1.136363637 + x2 = -3.048167042 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.136363637' to each side of the equation. 1.136363637 + -1.136363637 + x2 = -3.048167042 + -1.136363637 Combine like terms: 1.136363637 + -1.136363637 = 0.000000000 0.000000000 + x2 = -3.048167042 + -1.136363637 x2 = -3.048167042 + -1.136363637 Combine like terms: -3.048167042 + -1.136363637 = -4.184530679 x2 = -4.184530679 Simplifying x2 = -4.184530679 Reorder the terms: 4.184530679 + x2 = -4.184530679 + 4.184530679 Combine like terms: -4.184530679 + 4.184530679 = 0.000000000 4.184530679 + 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.

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