supersonictoxic23 supersonictoxic23 24-07-2019 Mathematics contestada 11a-8b-9a-3b= (4a+5b)+(9a+3b)= -(-5ab+ab)+(-7ab+3ab)= (a+1) (a+2)= (-1a+9b) (-6a+14b)= porfavor:((
