v^2-4v+4=-4

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Solution for v^2-4v+4=-4 equation: 


Simplifying
v2 + -4v + 4 = -4

Reorder the terms:
4 + -4v + v2 = -4

Solving
4 + -4v + v2 = -4

Solving for variable 'v'.

Reorder the terms:
4 + 4 + -4v + v2 = -4 + 4

Combine like terms: 4 + 4 = 8
8 + -4v + v2 = -4 + 4

Combine like terms: -4 + 4 = 0
8 + -4v + v2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -4v + -8 + v2 = 0 + -8

Reorder the terms:
8 + -8 + -4v + v2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4v + v2 = 0 + -8
-4v + v2 = 0 + -8

Combine like terms: 0 + -8 = -8
-4v + v2 = -8

The v term is -4v.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4v + 4 + v2 = -8 + 4

Reorder the terms:
4 + -4v + v2 = -8 + 4

Combine like terms: -8 + 4 = -4
4 + -4v + v2 = -4

Factor a perfect square on the left side:
(v + -2)(v + -2) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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