Question

c) За – ба- а =
d) 2x'y -3 х’y =
е) -ab – Заb =​

Answer 1

c) 3a-6a-a=

(3a-6a-1a)=

(3-6-1)a=

-4a

d) (2-3)a^y=

-1x^y=

-x^y

e) R= -4ab