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Simplifying
x2 + -16 = 169
Reorder the terms:
-16 + x2 = 169
Solving
-16 + x2 = 169
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '16' to each side of the equation.
-16 + 16 + x2 = 169 + 16
Combine like terms: -16 + 16 = 0
0 + x2 = 169 + 16
x2 = 169 + 16
Combine like terms: 169 + 16 = 185
x2 = 185
Simplifying
x2 = 185
Take the square root of each side:
x = {-13.601470509, 13.601470509}
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