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Simplifying
x2 + 16 = 121
Reorder the terms:
16 + x2 = 121
Solving
16 + x2 = 121
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 = 121 + -16
Combine like terms: 16 + -16 = 0
0 + x2 = 121 + -16
x2 = 121 + -16
Combine like terms: 121 + -16 = 105
x2 = 105
Simplifying
x2 = 105
Take the square root of each side:
x = {-10.246950766, 10.246950766}
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