x^2-261=0

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Solution for x^2-261=0 equation: 


Simplifying
x2 + -261 = 0

Reorder the terms:
-261 + x2 = 0

Solving
-261 + x2 = 0

Solving for variable 'x'.

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

Add '261' to each side of the equation.
-261 + 261 + x2 = 0 + 261

Combine like terms: -261 + 261 = 0
0 + x2 = 0 + 261
x2 = 0 + 261

Combine like terms: 0 + 261 = 261
x2 = 261

Simplifying
x2 = 261

Take the square root of each side:
x = {-16.155494421, 16.155494421}

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