To solve the expression \(4(20 + 5)\), follow these steps:

1. **Simplify inside the parentheses:**
   \[
   20 + 5 = 25
   \]

2. **Multiply by the number outside the parentheses:**
   \[
   4 \times 25 = 100
   \]

So, \(4(20 + 5) = 100\).

Would you like more details or have any questions?

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Here are some related questions you might find interesting:

1. What is the distributive property in algebra?
2. How would you solve \(3(10 + 7)\)?
3. Can you explain how to factor expressions like \(4x + 4y\)?
4. What is the result of \(2(15 + 10)\)?
5. How do you solve \(5(2x + 3)\) when \(x = 4\)?
6. What happens if you distribute \(a(b + c)\) instead of adding first?
7. How can you simplify \(6(8 + 9)\) step by step?
8. What is the difference between evaluating and simplifying expressions?

**Tip:** Always simplify inside the parentheses before applying multiplication in expressions.

Learn how to simplify and solve the arithmetic expression 4(20 + 5) step-by-step. This problem covers basic arithmetic concepts, including parentheses simplification and multiplication. Suitable for students in Grades 5-7.

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