# SOLUTION: simplify x^2a /z^3 - a^2 Divided by x/z^2 - 3/z^3

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 Question 64849This question is from textbook An Incremental Development : simplify x^2a /z^3 - a^2 Divided by x/z^2 - 3/z^3This question is from textbook An Incremental Development Answer by Edwin McCravy(8893)   (Show Source): You can put this solution on YOUR website!``` Put the a² over 11 so that everything on top and bottom will be a fraction. I used 11 instead of just 1 because it "stacks up" better using the forum's notation system. You can just use 1 where I have 11. Look at all the denominators on the top and the bottom. Their LCD is z³. so multiply by , written as · Now distribute: In the upper left term you can cancel the z³'s, leaving x²a. The upper right term becomes just -z³a². In the lower left term, subtract the exponents of the z's and get simply zx. In the lower right term you can cancel the z³'s, leaving -3. So you end up with: Now if you like you can factor out "a" on top: but that step isn't necessary. Edwin```