Question
$$12(x-2)^2 = 0$$
Answer
$$ x = 2 $$
Explanation
$$ \begin{aligned} 12(x-2)^2 &= 0&& \text{simplify left side} \\[1 em]12(x^2-4x+4) &= 0&& \\[1 em]12x^2-48x+48 &= 0&& \\[1 em] \end{aligned} $$
$ 12x^{2}-48x+48 = 0 $ is a quadratic equation.
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