SOLUTION: Hi; I wondered if you can show me how to do this type problem? The instructions are to factor each polynomial completely a^2b + 2ab - 15b I need to understand all the step

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Hi; I wondered if you can show me how to do this type problem? The instructions are to factor each polynomial completely a^2b + 2ab - 15b I need to understand all the step      Log On


   

Question 327297: Hi; I wondered if you can show me how to do this type problem?
The instructions are to factor each polynomial completely a^2b + 2ab - 15b
I need to understand all the steps. Thanks in advance for your help!!!
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
a^2b + 2ab - 15b
take b out
b(a^2+2a-15)
b(a^2+5a-3a-15)
b(a(a+5)-3(a+5))
b(a+5)(a-3)