Question

5. Simplify: 3ab +9c-4ab + 12-23 * O -1 ab + 9c-11 O1ab + 9c +34 7ab + 90 +11 9c 7ab + 90-11 0 This is a required question

Answer 1

the initial expression is:

`3ab+9c-4ab+12-23`

SO if we simplify it will be:

`-1ab+9c-11`

So is option A)