x=-16x^2+4096

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Solution for x=-16x^2+4096 equation:


Simplifying
x = -16x2 + 4096

Reorder the terms:
x = 4096 + -16x2

Solving
x = 4096 + -16x2

Solving for variable 'x'.

Reorder the terms:
-4096 + x + 16x2 = 4096 + -16x2 + -4096 + 16x2

Reorder the terms:
-4096 + x + 16x2 = 4096 + -4096 + -16x2 + 16x2

Combine like terms: 4096 + -4096 = 0
-4096 + x + 16x2 = 0 + -16x2 + 16x2
-4096 + x + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
-4096 + x + 16x2 = 0

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

Divide each side by '16'.
-256 + 0.0625x + x2 = 0

Move the constant term to the right:

Add '256' to each side of the equation.
-256 + 0.0625x + 256 + x2 = 0 + 256

Reorder the terms:
-256 + 256 + 0.0625x + x2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + 0.0625x + x2 = 0 + 256
0.0625x + x2 = 0 + 256

Combine like terms: 0 + 256 = 256
0.0625x + x2 = 256

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.0625x + 0.25 + x2 = 256 + 0.25

Reorder the terms:
0.25 + 0.0625x + x2 = 256 + 0.25

Combine like terms: 256 + 0.25 = 256.25
0.25 + 0.0625x + x2 = 256.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 256.25

Calculate the square root of the right side: 16.007810594

Break this problem into two subproblems by setting 
(x + 0.5) equal to 16.007810594 and -16.007810594.

Subproblem 1

x + 0.5 = 16.007810594 Simplifying x + 0.5 = 16.007810594 Reorder the terms: 0.5 + x = 16.007810594 Solving 0.5 + x = 16.007810594 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 16.007810594 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 16.007810594 + -0.5 x = 16.007810594 + -0.5 Combine like terms: 16.007810594 + -0.5 = 15.507810594 x = 15.507810594 Simplifying x = 15.507810594

Subproblem 2

x + 0.5 = -16.007810594 Simplifying x + 0.5 = -16.007810594 Reorder the terms: 0.5 + x = -16.007810594 Solving 0.5 + x = -16.007810594 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -16.007810594 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -16.007810594 + -0.5 x = -16.007810594 + -0.5 Combine like terms: -16.007810594 + -0.5 = -16.507810594 x = -16.507810594 Simplifying x = -16.507810594

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.507810594, -16.507810594}

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