Question

pls find it emergency​

Answer 1

Answer:

ii

9a^2 - 9b^2 +6a+1

9a^2 + 6a + 1 -9b^2

(3a + 1)^2 - (3b)^2 (3a+1)^2 =9a^2 +6a +1

And=(3a+1+3b) (3a+1-3b)

Answer 2

Answer:

ans 1 => see answer in attachment