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Simplifying
x2 + 121 = 196
Reorder the terms:
121 + x2 = 196
Solving
121 + x2 = 196
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-121' to each side of the equation.
121 + -121 + x2 = 196 + -121
Combine like terms: 121 + -121 = 0
0 + x2 = 196 + -121
x2 = 196 + -121
Combine like terms: 196 + -121 = 75
x2 = 75
Simplifying
x2 = 75
Take the square root of each side:
x = {-8.660254038, 8.660254038}
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