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Simplifying
2x2 + 86 = 548
Reorder the terms:
86 + 2x2 = 548
Solving
86 + 2x2 = 548
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-86' to each side of the equation.
86 + -86 + 2x2 = 548 + -86
Combine like terms: 86 + -86 = 0
0 + 2x2 = 548 + -86
2x2 = 548 + -86
Combine like terms: 548 + -86 = 462
2x2 = 462
Divide each side by '2'.
x2 = 231
Simplifying
x2 = 231
Take the square root of each side:
x = {-15.198684154, 15.198684154}
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