Question

If a=3 , evulate a2 - 3a​

Answer 1

Answer:

3×3-3×3= 9-9=0

Step-by-step explanation:

because

Answer 2

Step-by-step explanation:

if a= 3 , 2a -3a

= 2(3) -3(3)

= 6 -9

= -3 ANS.