x^2+144=225

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Solution for x^2+144=225 equation: 


Simplifying
x2 + 144 = 225

Reorder the terms:
144 + x2 = 225

Solving
144 + x2 = 225

Solving for variable 'x'.

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

Add '-144' to each side of the equation.
144 + -144 + x2 = 225 + -144

Combine like terms: 144 + -144 = 0
0 + x2 = 225 + -144
x2 = 225 + -144

Combine like terms: 225 + -144 = 81
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}

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