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Simplifying
2x2 + -4 = 92
Reorder the terms:
-4 + 2x2 = 92
Solving
-4 + 2x2 = 92
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 2x2 = 92 + 4
Combine like terms: -4 + 4 = 0
0 + 2x2 = 92 + 4
2x2 = 92 + 4
Combine like terms: 92 + 4 = 96
2x2 = 96
Divide each side by '2'.
x2 = 48
Simplifying
x2 = 48
Take the square root of each side:
x = {-6.92820323, 6.92820323}
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