Question

please solve
a²-3a-4a​

Answer 1

a^2-4a+1a-4a

= a(a-4)+1(a-4a)

=. (a+1)(a-4a)

Answer 2

HERE IS YOUR ANSWER :


a²-3a-4a

NOW,TAKING COMMON


a(a-3-4)

=> a(a-7)

HOPE IT HELPS U..