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Simplifying
4x2 + 8 = 204
Reorder the terms:
8 + 4x2 = 204
Solving
8 + 4x2 = 204
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 4x2 = 204 + -8
Combine like terms: 8 + -8 = 0
0 + 4x2 = 204 + -8
4x2 = 204 + -8
Combine like terms: 204 + -8 = 196
4x2 = 196
Divide each side by '4'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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