To simplify the expression \(\frac{72x^2 + 44x + 48}{4x^2}\), we can divide each term in the numerator by \(4x^2\):
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Divide each term by \(4x^2\): \[ \frac{72x^2}{4x^2} + \frac{44x}{4x^2} + \frac{48}{4x^2} \]
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Calculate each term:
- \(\frac{72x^2}{4x^2} = 18\)
- \(\frac{44x}{4x^2} = \frac{44}{4x} = \frac{11}{x}\)
- \(\frac{48}{4x^2} = \frac{12}{x^2}\)
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Combine the results: \[ 18 + \frac{11}{x} + \frac{12}{x^2} \]
Therefore, the simplified expression is: \[ 18 + \frac{11}{x} + \frac{12}{x^2} \]