-x=-4x^2-4

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Solution for -x=-4x^2-4 equation:


Simplifying
-1x = -4x2 + -4

Reorder the terms:
-1x = -4 + -4x2

Solving
-1x = -4 + -4x2

Solving for variable 'x'.

Reorder the terms:
4 + -1x + 4x2 = -4 + -4x2 + 4 + 4x2

Reorder the terms:
4 + -1x + 4x2 = -4 + 4 + -4x2 + 4x2

Combine like terms: -4 + 4 = 0
4 + -1x + 4x2 = 0 + -4x2 + 4x2
4 + -1x + 4x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
4 + -1x + 4x2 = 0

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

Divide each side by '4'.
1 + -0.25x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -0.25x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -0.25x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -0.25x + x2 = 0 + -1
-0.25x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-0.25x + x2 = -1

The x term is -0.25x.  Take half its coefficient (-0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
-0.25x + 0.015625 + x2 = -1 + 0.015625

Reorder the terms:
0.015625 + -0.25x + x2 = -1 + 0.015625

Combine like terms: -1 + 0.015625 = -0.984375
0.015625 + -0.25x + x2 = -0.984375

Factor a perfect square on the left side:
(x + -0.125)(x + -0.125) = -0.984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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