-11ab+a*8*b+5ab

To simplify the expression -11ab + a8b + 5ab, first combine like terms:

-11ab + a8b + 5ab

= -11ab + 8ab^2 + 5ab

Now, collect the terms with the same variable and combine them:

= (-11ab + 5ab) + 8ab^2

= -6ab + 8ab^2

So, the simplified form of the expression is -6ab + 8ab^2.