169=144+x^2

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Solution for 169=144+x^2 equation: 


Simplifying
169 = 144 + x2

Solving
169 = 144 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
169 + -1x2 = 144 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
169 + -1x2 = 144 + 0
169 + -1x2 = 144

Add '-169' to each side of the equation.
169 + -169 + -1x2 = 144 + -169

Combine like terms: 169 + -169 = 0
0 + -1x2 = 144 + -169
-1x2 = 144 + -169

Combine like terms: 144 + -169 = -25
-1x2 = -25

Divide each side by '-1'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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