Asked by brenda

factorize completely:

a+b-bc-ac
Answered by Tia
Factor out the GCF:

-(b+a)(c-1)
Answered by brenda
thanks very much God bless you
Answered by Reiny
a+b-bc-ac
= a - ac + b - bc
= a(1 - c) + b(1 - c)
= (a+b)(1-c)

looks prettier