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Simplifying
3x2 + 6 = 198
Reorder the terms:
6 + 3x2 = 198
Solving
6 + 3x2 = 198
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-6' to each side of the equation.
6 + -6 + 3x2 = 198 + -6
Combine like terms: 6 + -6 = 0
0 + 3x2 = 198 + -6
3x2 = 198 + -6
Combine like terms: 198 + -6 = 192
3x2 = 192
Divide each side by '3'.
x2 = 64
Simplifying
x2 = 64
Take the square root of each side:
x = {-8, 8}
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