x^2+64=289

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Solution for x^2+64=289 equation: 


Simplifying
x2 + 64 = 289

Reorder the terms:
64 + x2 = 289

Solving
64 + x2 = 289

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + x2 = 289 + -64

Combine like terms: 64 + -64 = 0
0 + x2 = 289 + -64
x2 = 289 + -64

Combine like terms: 289 + -64 = 225
x2 = 225

Simplifying
x2 = 225

Take the square root of each side:
x = {-15, 15}

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