### Home > CCA > Chapter 7 > Lesson 7.1.6 > Problem 7-75

7-75.

Jack and Jill were working on simplifying the expression at right, but they were having some trouble. Then Jill had an idea.

she said.“Can’t we separate the parts?” *“That way, it might be easier to tell what we can simplify.”*She rewrote the expression as shown at right.*“Okay,”*said Jack.*“Now we can rewrite each of the parts with negative exponents and simplify.”*Homework Help ✎Help Jack and Jill finish simplifying their expression.

Use their idea to rewrite and simplify

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