Posted by **Lilian** on Friday, April 2, 2010 at 5:58pm.

Can you please tell me step by step on how to do this problem. Factoring by grouping:

ab-5a-15+3b

Thank You

- Math -
**bobpursley**, Friday, April 2, 2010 at 6:41pm
a(b-5)+3(b-5)

(a+3)(b-5)

## Answer this Question

## Related Questions

- Algebra 1--Step-by-Step - Can someone show me how to solve these step-by-step? ...
- Math (Algebra 2) - Factoring by Using a Quadratic Form Problem: x^4 + 8x^2 - 20 ...
- math,help,factoring - i need help i don't know how to do the next step. factor ...
- Algebra - Can someone please help me with math problem and explain to me step by...
- Quick math help - In which step below does a mistake first appear in simplifying...
- Math - Factoring Polynomials (please show step by step) -8z^3 + 512w^3
- algebra - Can someone please show me how to solve this problem step by step ...
- Algebra 2 - I need to know how to solve quadratic equations by factoring. Can ...
- Quadratic Equations - Can anybody tell me step wise step how to solve this ...
- Algebra help - f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this? This is...