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Simplifying
x2 + 121 = 442
Reorder the terms:
121 + x2 = 442
Solving
121 + x2 = 442
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 = 442 + -121
Combine like terms: 121 + -121 = 0
0 + x2 = 442 + -121
x2 = 442 + -121
Combine like terms: 442 + -121 = 321
x2 = 321
Simplifying
x2 = 321
Take the square root of each side:
x = {-17.916472867, 17.916472867}
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