Question

regroup and factorise ab+4a-3b-12​

Answer 1

Step-by-step explanation:

on regrouping we will get 4a -3b+ab-12

factorisation : a(b+4)-3(b+4)

(b+4)(a-3) ----ans

Answer 2

Answer:

(b+4)(a-3)

Step-by-step explanation:

given equation-

ab +4a-3b-12

take a common from first 2 terms

a(b+4)-3b-12

take -3 common from 3rd&4th term

a(b+4)-3(b+4)

Now take (b+4) common

So,answer is

(b+4)(a-3)