Here are the expressions from the image for easy reference:

32. $4y^2 - 17y + 15$

33. $25u^2 - 20u + 4$

34. $4r^2 + 16rs - 10s^2$

35. $4x^2 + 3xy - 15y^2$

36. $81uv^3 + 3u^4$

37. $x^6 - 64y^6$

38. $z^4 - 10z^2 + 9$

Please let me know if you would like to solve or factor any specific expression(s) from the list.

Would you like detailed steps, or have any specific questions?

Related Questions

1. How do we factor trinomials like $4y^2 - 17y + 15$?
2. What is the process for simplifying expressions with multiple variables, such as $4x^2 + 3xy - 15y^2$?
3. How can we factor higher-degree polynomials, such as $x^6 - 64y^6$?
4. What are the techniques for working with expressions involving powers, like $81uv^3 + 3u^4$?
5. Can we use the difference of squares technique to factor expressions like $z^4 - 10z^2 + 9$?

Tip

When factoring polynomials, check for common factors first before using techniques like grouping, difference of squares, or trinomial factoring.