### Home > CCA > Chapter Ch7 > 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.

*“Can’t we separate the parts?” *she said. *“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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