Question

ab+4a-3b-12 ​factorise

Answer 1

Answer:

ab+4a-3b-12

Step-by-step explanation:

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

(b+4)(a-3)

Answer 2

ab+4a-3b-12

=ab +4a-3b-12 = (ab-3b) + (4a-12)

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

=(a-3) (b+4)

=ab + 4a-3b -12 = (a-3) (6+4)