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Simplifying
x2 + 64 = 169
Reorder the terms:
64 + x2 = 169
Solving
64 + x2 = 169
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 = 169 + -64
Combine like terms: 64 + -64 = 0
0 + x2 = 169 + -64
x2 = 169 + -64
Combine like terms: 169 + -64 = 105
x2 = 105
Simplifying
x2 = 105
Take the square root of each side:
x = {-10.246950766, 10.246950766}
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