Expression: x^2 -x -12
Completing the square: (x -0.5)^2 -12.25
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x^2 - x - 12 is an expression, not an equation nor an inequality. An expression cannot be solved.
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(b-4) squared
The question contains an expression, not an equation or inequality. There is nothing to solve in an expression.
The question contains an expression but not an equation. You cannot solve an expression.
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