Question

from the sum of (12 ab-6a-b) & (79-11ab-8),
Sufract (a-b-6ab).

pls answer tell me fast​

Answer 1

Answer:

7ab-7a+71

Step-by-step explanation:

(12ab-6a-b)+(79-11ab-8)-(a-b-6ab)

=12ab-6a-b+79-11ab-8-(a-b-6ab)

=12ab-11ab-6a-b+79-8-(a-b-6ab)

=ab-6a-b+71-(a-b-6ab)

=ab-6a-b+71-a+b+6ab

=ab+6ab-6a-a-b+b+71

=7ab-7a+71