Question

what should be subtracted from 7x/x2+x-12 to obtain (3/x-3) ?​

Answer 1

Answer

4/x+x-9

Step-by-step explanation:

Let number be n.

=>(7/x+x-12)-n=(3/x-3)

=>(7/x+x-12)-(3/x-3)=n

=>7/x+x-12-3/x+3=n

=>4/x+x-9=n

=>n=4/x+x-9 Ans.