x^2-49=81

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Solution for x^2-49=81 equation: 


Simplifying
x2 + -49 = 81

Reorder the terms:
-49 + x2 = 81

Solving
-49 + x2 = 81

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + x2 = 81 + 49

Combine like terms: -49 + 49 = 0
0 + x2 = 81 + 49
x2 = 81 + 49

Combine like terms: 81 + 49 = 130
x2 = 130

Simplifying
x2 = 130

Take the square root of each side:
x = {-11.401754251, 11.401754251}

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