4-x^2=4

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Solution for 4-x^2=4 equation: 


Simplifying
4 + -1x2 = 4

Add '-4' to each side of the equation.
4 + -4 + -1x2 = 4 + -4

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

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

Solving
-1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
x2 = 0

Simplifying
x2 = 0

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

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