Simplify the fraction by factoring numerator and denominator.
\( \begin{array}{l}\textbf{Simplify the expression: } \frac{2x^2 - 8}{4x}\end{array} \)
Choose one option:
Always factor completely and cancel common factors carefully, checking x\ne 0.
Remember the difference of squares formula: a^2 - b^2 = (a-b)(a+b). Apply it to x^2 - 4.
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