y^2-4+4=

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


Simplifying
y2 + -4 + 4 = 0

Reorder the terms:
-4 + 4 + y2 = 0

Combine like terms: -4 + 4 = 0
0 + y2 = 0
y2 = 0

Solving
y2 = 0

Solving for variable 'y'.

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

Simplifying
y2 = 0

Take the square root of each side:
y = {0}

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