x^2-120=1

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Solution for x^2-120=1 equation: 


Simplifying
x2 + -120 = 1

Reorder the terms:
-120 + x2 = 1

Solving
-120 + x2 = 1

Solving for variable 'x'.

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

Add '120' to each side of the equation.
-120 + 120 + x2 = 1 + 120

Combine like terms: -120 + 120 = 0
0 + x2 = 1 + 120
x2 = 1 + 120

Combine like terms: 1 + 120 = 121
x2 = 121

Simplifying
x2 = 121

Take the square root of each side:
x = {-11, 11}

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