Question

. What should be subtracted from ab + 1 to
make it 5ab - 5?​

Answer 1

Step-by-step explanation:

Given,ab+1 & 5ab-5

Let the number is x which is subtracted from ab+1 to get 5ab-5

So, (ab+1)-x=5ab-5

=>x=ab+1-5ab+5

=>x= -4ab+6

Hence,the required number is x= -4ab+6