Factoring using the GCF Extra Practice

Factoring using the GCF

Factor the following polynomial:

 $2x-4y+6z$  

Factor the following polynomial:

 $12ab^4-10a^2b^3+15a^3b^2$  

Multiple Choice

Factor the following polynomial:

 $20m^5n^3+15m^3n^5-18mn^7$  

•  $mn^3\left(20m^4+15m^2n^2-18n^4\right)$  

•  $mn\left(20m^4n^2+15mn-18n^3\right)$  

• I'm not sure

• I need more examples

Factor the following polynomial:

 $9abc-12bcd-21abcd$