Find the square root of \(49{x^4} - \frac{{7{x^3}}}{2} + \frac{{673{x^2}}}{{16}} - \frac{{3x}}{2} + 9\)

• A. \(7{x^2} - \frac{{3x}}{7} + 3\)
• B. \(7{x^2} - \frac{{7x}}{3} + 3\)
• C. \(7{x^2} - \frac{{2x}}{3} + 3\)
• D. \(7{x^2} - \frac{x}{4} + 3\)