x^2-4=25

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Solution for x^2-4=25 equation: 


Simplifying
x2 + -4 = 25

Reorder the terms:
-4 + x2 = 25

Solving
-4 + x2 = 25

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + x2 = 25 + 4

Combine like terms: -4 + 4 = 0
0 + x2 = 25 + 4
x2 = 25 + 4

Combine like terms: 25 + 4 = 29
x2 = 29

Simplifying
x2 = 29

Take the square root of each side:
x = {-5.385164807, 5.385164807}

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