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Simplifying
3x2 + 5 = 206
Reorder the terms:
5 + 3x2 = 206
Solving
5 + 3x2 = 206
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 3x2 = 206 + -5
Combine like terms: 5 + -5 = 0
0 + 3x2 = 206 + -5
3x2 = 206 + -5
Combine like terms: 206 + -5 = 201
3x2 = 201
Divide each side by '3'.
x2 = 67
Simplifying
x2 = 67
Take the square root of each side:
x = {-8.185352772, 8.185352772}
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