9(a^2 b^2-ab) -6(ab+9ab^2) + (b^2-ab+a^2b^2)

The correct answer is 10a^2 b^2-54ab^2-16ab+b^2.

Step-by-step explanation:

I hope this helps! All you needed to do was distribute and then combine like terms.

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

25

step-by-step explanation: