x^2+4=256

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Solution for x^2+4=256 equation: 


Simplifying
x2 + 4 = 256

Reorder the terms:
4 + x2 = 256

Solving
4 + x2 = 256

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + x2 = 256 + -4

Combine like terms: 4 + -4 = 0
0 + x2 = 256 + -4
x2 = 256 + -4

Combine like terms: 256 + -4 = 252
x2 = 252

Simplifying
x2 = 252

Take the square root of each side:
x = {-15.874507866, 15.874507866}

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