(x^2+0.8)(x^2+0.8)=

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Solution for (x^2+0.8)(x^2+0.8)= equation: 


Simplifying
(x2 + 0.8)(x2 + 0.8) = 0

Reorder the terms:
(0.8 + x2)(x2 + 0.8) = 0

Reorder the terms:
(0.8 + x2)(0.8 + x2) = 0

Multiply (0.8 + x2) * (0.8 + x2)
(0.8(0.8 + x2) + x2(0.8 + x2)) = 0
((0.8 * 0.8 + x2 * 0.8) + x2(0.8 + x2)) = 0
((0.64 + 0.8x2) + x2(0.8 + x2)) = 0
(0.64 + 0.8x2 + (0.8 * x2 + x2 * x2)) = 0
(0.64 + 0.8x2 + (0.8x2 + x4)) = 0

Combine like terms: 0.8x2 + 0.8x2 = 1.6x2
(0.64 + 1.6x2 + x4) = 0

Solving
0.64 + 1.6x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-0.64' to each side of the equation.
0.64 + 1.6x2 + -0.64 + x4 = 0 + -0.64

Reorder the terms:
0.64 + -0.64 + 1.6x2 + x4 = 0 + -0.64

Combine like terms: 0.64 + -0.64 = 0.00
0.00 + 1.6x2 + x4 = 0 + -0.64
1.6x2 + x4 = 0 + -0.64

Combine like terms: 0 + -0.64 = -0.64
1.6x2 + x4 = -0.64

The x term is 1.6x2.  Take half its coefficient (0.8).
Square it (0.64) and add it to both sides.

Add '0.64' to each side of the equation.
1.6x2 + 0.64 + x4 = -0.64 + 0.64

Reorder the terms:
0.64 + 1.6x2 + x4 = -0.64 + 0.64

Combine like terms: -0.64 + 0.64 = 0.00
0.64 + 1.6x2 + x4 = 0.00

Factor a perfect square on the left side:
(x2 + 0.8)(x2 + 0.8) = 0.00

Calculate the square root of the right side: 0.00

Break this problem into two subproblems by setting 
(x2 + 0.8) equal to 0.00 and 0.00.


Subproblem 1
x2 + 0.8 = 0.00

Simplifying
x2 + 0.8 = 0.00

Reorder the terms:
0.8 + x2 = 0.00

Solving
0.8 + x2 = 0.00

Solving for variable 'x'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + x2 = 0.00 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + x2 = 0.00 + -0.8
x2 = 0.00 + -0.8

Combine like terms: 0.00 + -0.8 = -0.8
x2 = -0.8

Simplifying
x2 = -0.8

Reorder the terms:
0.8 + x2 = -0.8 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.8 + x2 = 0.0

The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined.


Subproblem 2
x2 + 0.8 = 0.00

Simplifying
x2 + 0.8 = 0.00

Reorder the terms:
0.8 + x2 = 0.00

Solving
0.8 + x2 = 0.00

Solving for variable 'x'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + x2 = 0.00 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + x2 = 0.00 + -0.8
x2 = 0.00 + -0.8

Combine like terms: 0.00 + -0.8 = -0.8
x2 = -0.8

Simplifying
x2 = -0.8

Reorder the terms:
0.8 + x2 = -0.8 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.8 + x2 = 0.0

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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