factor_terms does not always use _keep_coeff
factor_terms does not always use _keep_coeff

kaushik94/sympy,bukzor/sympy,kevalds51/sympy,atsao72/sympy,Designist/sympy,skirpichev/omg,lindsayad/sympy,kaushik94/sympy,moble/sympy,emon10005/sympy,abloomston/sympy,ChristinaZografou/sympy,meghana1995/sympy,mcdaniel67/sympy,jbbskinny/sympy,debugger22/sympy,maniteja123/sympy,shikil/sympy,MechCoder/sympy,kaichogami/sympy,Mitchkoens/sympy,cswiercz/sympy,hrashk/sympy,debugger22/sympy,maniteja123/sympy,garvitr/sympy,maniteja123/sympy,ga7g08/sympy,beni55/sympy,atsao72/sympy,toolforger/sympy,Shaswat27/sympy,VaibhavAgarwalVA/sympy,Sumith1896/sympy,mafiya69/sympy,Titan-C/sympy,lidavidm/sympy,cccfran/sympy,Curious72/sympy,jerli/sympy,meghana1995/sympy,ahhda/sympy,Shaswat27/sympy,hrashk/sympy,chaffra/sympy,emon10005/sympy,farhaanbukhsh/sympy,jaimahajan1997/sympy,souravsingh/sympy,cccfran/sympy,VaibhavAgarwalVA/sympy,debugger22/sympy,liangjiaxing/sympy,garvitr/sympy,ahhda/sympy,Arafatk/sympy,asm666/sympy,dqnykamp/sympy,drufat/sympy,Gadal/sympy,sahilshekhawat/sympy,wyom/sympy,emon10005/sympy,sahilshekhawat/sympy,abloomston/sympy,garvitr/sympy,MechCoder/sympy,sahmed95/sympy,sunny94/temp,skidzo/sympy,liangjiaxing/sympy,abloomston/sympy,kaichogami/sympy,toolforger/sympy,hargup/sympy,postvakje/sympy,flacjacket/sympy,wyom/sympy,kumarkrishna/sympy,rahuldan/sympy,sampadsaha5/sympy,wanglongqi/sympy,shikil/sympy,kevalds51/sympy,ga7g08/sympy,ga7g08/sympy,atsao72/sympy,hargup/sympy,AkademieOlympia/sympy,asm666/sympy,kmacinnis/sympy,yukoba/sympy,amitjamadagni/sympy,abhiii5459/sympy,ahhda/sympy,oliverlee/sympy,jerli/sympy,souravsingh/sympy,aktech/sympy,skidzo/sympy,cswiercz/sympy,grevutiu-gabriel/sympy,shipci/sympy,srjoglekar246/sympy,farhaanbukhsh/sympy,yukoba/sympy,Arafatk/sympy,meghana1995/sympy,iamutkarshtiwari/sympy,vipulroxx/sympy,Davidjohnwilson/sympy,liangjiaxing/sympy,sahilshekhawat/sympy,vipulroxx/sympy,sampadsaha5/sympy,VaibhavAgarwalVA/sympy,abhiii5459/sympy,kevalds51/sympy,wyom/sympy,yashsharan/sympy,drufat/sympy,beni55/sympy,Shaswat27/sympy,jamesblunt/sympy,AunShiLord/sympy,kaushik94/sympy,Vishluck/sympy,Titan-C/sympy,ChristinaZografou/sympy,jaimahajan1997/sympy,shikil/sympy,Curious72/sympy,kmacinnis/sympy,jamesblunt/sympy,lidavidm/sympy,rahuldan/sympy,kumarkrishna/sympy,kumarkrishna/sympy,AkademieOlympia/sympy,saurabhjn76/sympy,chaffra/sympy,grevutiu-gabriel/sympy,atreyv/sympy,kaichogami/sympy,hargup/sympy,yashsharan/sympy,iamutkarshtiwari/sympy,pbrady/sympy,kmacinnis/sympy,madan96/sympy,mafiya69/sympy,Gadal/sympy,wanglongqi/sympy,shipci/sympy,Sumith1896/sympy,grevutiu-gabriel/sympy,Vishluck/sympy,jbbskinny/sympy,Mitchkoens/sympy,MridulS/sympy,MridulS/sympy,abhiii5459/sympy,Davidjohnwilson/sympy,asm666/sympy,lindsayad/sympy,souravsingh/sympy,ChristinaZografou/sympy,pandeyadarsh/sympy,sunny94/temp,wanglongqi/sympy,mcdaniel67/sympy,Vishluck/sympy,yashsharan/sympy,jbbskinny/sympy,sampadsaha5/sympy,chaffra/sympy,MechCoder/sympy,jaimahajan1997/sympy,cswiercz/sympy,mcdaniel67/sympy,drufat/sympy,shipci/sympy,madan96/sympy,Arafatk/sympy,oliverlee/sympy,toolforger/sympy,beni55/sympy,postvakje/sympy,madan96/sympy,Curious72/sympy,MridulS/sympy,dqnykamp/sympy,Davidjohnwilson/sympy,saurabhjn76/sympy,diofant/diofant,oliverlee/sympy,Sumith1896/sympy,lidavidm/sympy,sunny94/temp,aktech/sympy,hrashk/sympy,postvakje/sympy,sahmed95/sympy,moble/sympy,lindsayad/sympy,AkademieOlympia/sympy,amitjamadagni/sympy,jamesblunt/sympy,Gadal/sympy,vipulroxx/sympy,mafiya69/sympy,pandeyadarsh/sympy,jerli/sympy,yukoba/sympy,atreyv/sympy,moble/sympy,Mitchkoens/sympy,farhaanbukhsh/sympy,pbrady/sympy,pbrady/sympy,Titan-C/sympy,sahmed95/sympy,bukzor/sympy,atreyv/sympy,Designist/sympy,AunShiLord/sympy,Designist/sympy,aktech/sympy,AunShiLord/sympy,skidzo/sympy,rahuldan/sympy,iamutkarshtiwari/sympy,saurabhjn76/sympy,pandeyadarsh/sympy,bukzor/sympy,dqnykamp/sympy,cccfran/sympy