Question

a (3a-2)-1




answer is (a-1)(3a+1)​

Answer 1

answer is

we will multiply a to the bracket it will be

3a^2-2a-1

now by spliting the middle term we get

3a^2-3a+1a-1

now take common

3a(a-1)+1(a-1)

(a-1)(3a+1)