Question
$$12x\cdot3x\cdot(4-2)+2 = 0$$
Answer
$$ \begin{matrix}x_1 = \dfrac{ 1 }{ 6 } i & x_2 = -\dfrac{ 1 }{ 6 } i \\[1 em] \end{matrix} $$
Explanation
$$ \begin{aligned} 12x\cdot3x\cdot(4-2)+2 &= 0&& \text{simplify left side} \\[1 em]36x^2\cdot2+2 &= 0&& \\[1 em]72x^2+2 &= 0&& \\[1 em] \end{aligned} $$
$ 72x^{2}+2 = 0 $ is a quadratic equation.
You can use step-by-step quadratic equation solver to see a detailed explanation on how to solve this equation.
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