The expression \( 25 + 45x \) can be factored by finding the greatest common factor (GCF) of the terms. 

1. Identify the GCF of 25 and 45. The GCF is 5.
2. Factor out the GCF from the expression:

\[
25 + 45x = 5(5 + 9x)
\]

So, the factored form of \( 25 + 45x \) is \( 5(5 + 9x) \).

Would you like any details or have any questions?

Here are 5 related questions:

1. How do you find the GCF of two numbers?
2. Can you factor \( 5x^2 + 10x \)?
3. What is the difference between factoring and expanding?
4. How would you factor \( 36x + 54 \)?
5. How do you factor an expression with three terms?

**Tip:** Always check for the greatest common factor before trying other factoring methods; it simplifies the process.

Learn how to factor the expression 25 + 45x step-by-step with a detailed solution. This problem covers key algebraic concepts, including factoring and finding the greatest common factor (GCF). Suitable for students in Grades 7-9.

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