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Simplifying
3x2 + 11 = 23
Reorder the terms:
11 + 3x2 = 23
Solving
11 + 3x2 = 23
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-11' to each side of the equation.
11 + -11 + 3x2 = 23 + -11
Combine like terms: 11 + -11 = 0
0 + 3x2 = 23 + -11
3x2 = 23 + -11
Combine like terms: 23 + -11 = 12
3x2 = 12
Divide each side by '3'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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