(X^2)-(289)=

Solution for (X^2)-(289)= equation:

Simplifying
(X2) + -1(289) = 0
X2 + -1(289) = 0

Multiply -1 * 289
X2 + -289 = 0

Reorder the terms:
-289 + X2 = 0

Solving
-289 + X2 = 0

Solving for variable 'X'.

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

Add '289' to each side of the equation.
-289 + 289 + X2 = 0 + 289

Combine like terms: -289 + 289 = 0
0 + X2 = 0 + 289
X2 = 0 + 289

Combine like terms: 0 + 289 = 289
X2 = 289

Simplifying
X2 = 289

Take the square root of each side:
X = {-17, 17}