x^2-63=

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Solution for x^2-63= equation: 


Simplifying
x2 + -63 = 0

Reorder the terms:
-63 + x2 = 0

Solving
-63 + x2 = 0

Solving for variable 'x'.

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

Add '63' to each side of the equation.
-63 + 63 + x2 = 0 + 63

Combine like terms: -63 + 63 = 0
0 + x2 = 0 + 63
x2 = 0 + 63

Combine like terms: 0 + 63 = 63
x2 = 63

Simplifying
x2 = 63

Take the square root of each side:
x = {-7.937253933, 7.937253933}

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