(x^2-4)-25=0

Solution for (x^2-4)-25=0 equation:

Simplifying
(x2 + -4) + -25 = 0

Reorder the terms:
(-4 + x2) + -25 = 0

Remove parenthesis around (-4 + x2)
-4 + x2 + -25 = 0

Reorder the terms:
-4 + -25 + x2 = 0

Combine like terms: -4 + -25 = -29
-29 + x2 = 0

Solving
-29 + x2 = 0

Solving for variable 'x'.

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

Add '29' to each side of the equation.
-29 + 29 + x2 = 0 + 29

Combine like terms: -29 + 29 = 0
0 + x2 = 0 + 29
x2 = 0 + 29

Combine like terms: 0 + 29 = 29
x2 = 29

Simplifying
x2 = 29

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