\( \begin{array}{ll}\text { 17. } 2 x y \sqrt[3]{128 x^{2} y^{8}} & \text { 23. } \sqrt{8 x^{2} y^{4}+16 x y^{4}} \\ \begin{array}{ll}\text { 18. } \frac{1}{3 a} \sqrt{27 a^{3} m^{7}} & \text { 24. } \sqrt{2 x^{2}-4 x y+2 y^{2}} \\ \text { 19. } \frac{3}{5 x} \sqrt[3]{375 a^{8} b} & \text { 25. } \sqrt{(a-b)\left(a^{2}-b^{2}\right)} \\ \text { 20. } \frac{1}{3} \sqrt[4]{81 a^{4} b} & \text { 26. } \sqrt{2 a m^{2}+4 a m n+2 a n^{2}} \\ \text { 21. } \sqrt{9 a+18 b} & \text { 27. } \sqrt{9 a^{3}-36 a^{2}+36 a} \\ \text { 22. } \sqrt{3 a^{3} b^{2}-3 a^{2} b^{2}} & \end{array}\end{array} \)
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Extra Insights
When diving into the fascinating world of algebraic expressions, it’s essential to remember the historical figures who contributed to our understanding. For instance, the Persian mathematician Al-Khwarizmi, often referred to as the father of algebra, laid the groundwork for the methods we use today, tackling equations that seem complex at first glance but can reveal their secrets with the right approach and simplification techniques. In the real world, the principles modern algebra teaches us aren't just academic—think about it! Whether it's optimizing personal budgets, tackling engineering challenges, or even algorithm design in computer science, the concepts of simplification and manipulation of equations are crucial. So the next time you're solving one of these equations, picture yourself as a modern-day problem-solver, perhaps deciding the best way to budget for your next big adventure!