x^2-n=0

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Solution for x^2-n=0 equation: 


Simplifying
x2 + -1n = 0

Reorder the terms:
-1n + x2 = 0

Solving
-1n + x2 = 0

Solving for variable 'n'.

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

Add '-1x2' to each side of the equation.
-1n + x2 + -1x2 = 0 + -1x2

Combine like terms: x2 + -1x2 = 0
-1n + 0 = 0 + -1x2
-1n = 0 + -1x2
Remove the zero:
-1n = -1x2

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

Simplifying
n = x2

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