Answer:Step-by-step explanation:t looks like you’re working with rational expressions. Let’s simplify each expression step by step.1. (\frac{x^2 - 4}{2} \div \frac{4}{2})First, factor the numerator: (x^2 - 4 = (x - 2)(x + 2))The expression becomes: (\frac{(x - 2)(x + 2)}{2} \div \frac{4}{2})Division of fractions: (\frac{(x - 2)(x + 2)}{2} \times \frac{2}{4})Simplify: (\frac{(x - 2)(x + 2)}{4})2. (\frac{3x}{4} \div \frac{8}{3})Division of fractions: (\frac{3x}{4} \times \frac{3}{8})Simplify: (\frac{9x}{32})3. (\frac{7}{2} \div \frac{2x^3}{2})Division of fractions: (\frac{7}{2} \times \frac{2}{2x^3})Simplify: (\frac{7}{2x^3})