Factor out the GCF:
-(b+a)(c-1)
factorize completely:
a+b-bc-ac
3 answers
thanks very much God bless you
a+b-bc-ac
= a - ac + b - bc
= a(1 - c) + b(1 - c)
= (a+b)(1-c)
looks prettier
= a - ac + b - bc
= a(1 - c) + b(1 - c)
= (a+b)(1-c)
looks prettier