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Multiply the radical expression. Express numbers in simplified form using integers, fractions, or radicals.

Ask by Warren Franklin. in the United States
Jan 14,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

To multiply radical expressions, simplify each radical by breaking down the numbers inside into their prime factors, multiply the coefficients and radicands separately, and then simplify the resulting radical.

Solution

Sure, I'd be happy to help you multiply radical expressions! However, I need the specific expressions you'd like to multiply to provide a detailed solution. **In the meantime, here's a general guide on how to multiply radical expressions:** ### **Steps to Multiply Radical Expressions** 1. **Simplify Each Radical (if possible):** - Break down each number inside the radical into its prime factors. - Identify and extract any square factors (for square roots) or appropriate factors for other types of roots. 2. **Multiply the Coefficients:** - Multiply the numerical coefficients (the numbers outside the radicals) directly. 3. **Multiply the Radicands:** - Multiply the numbers inside the radicals together. 4. **Simplify the Resulting Radical:** - After multiplication, simplify the radical by extracting any possible factors. ### **Example 1: Multiplying Square Roots** **Problem:** Multiply √2 × √8 **Solution:** 1. **Multiply the radicands:** \[ \sqrt{2} \times \sqrt{8} = \sqrt{2 \times 8} = \sqrt{16} \] 2. **Simplify the radical:** \[ \sqrt{16} = 4 \] **Answer:** 4 ### **Example 2: Multiplying with Coefficients** **Problem:** Multiply 3√5 × 2√20 **Solution:** 1. **Multiply the coefficients:** \[ 3 \times 2 = 6 \] 2. **Multiply the radicands:** \[ \sqrt{5} \times \sqrt{20} = \sqrt{5 \times 20} = \sqrt{100} \] 3. **Simplify the radical:** \[ \sqrt{100} = 10 \] 4. **Combine the results:** \[ 6 \times 10 = 60 \] **Answer:** 60 ### **Example 3: Multiplying Different Types of Radicals** **Problem:** Multiply √3 × ³√27 **Solution:** 1. **Simplify each radical:** \[ \sqrt{3} \text{ is already simplified} \] \[ ³\sqrt{27} = 3 \quad \text{(since } 3^3 = 27) \] 2. **Multiply the results:** \[ \sqrt{3} \times 3 = 3\sqrt{3} \] **Answer:** \( 3\sqrt{3} \) --- Feel free to provide the specific radical expressions you'd like to multiply, and I can walk you through the exact solution!

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Bonus Knowledge

To multiply radical expressions, start by multiplying the numbers outside the radicals and then the numbers inside the radicals. For example, if you have \(\sqrt{a} \times \sqrt{b}\), you can simplify this to \(\sqrt{ab}\). If irrational parts can be simplified, do so: \(\sqrt{32} \times \sqrt{2} = \sqrt{64} = 8\). Always remember to check for common factors inside radicals before finalizing your answer! Another common mistake during multiplication is failing to combine radicals correctly. For instance, if you have \(\sqrt{2} + \sqrt{8}\), remember that \(\sqrt{8} = 2\sqrt{2}\), so when combining, it becomes \(\sqrt{2} + 2\sqrt{2} = 3\sqrt{2}\). Make sure to simplify fully for neat and acceptable results!

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