### Home > MC2 > Chapter 10 > Lesson 10.1.5 > Problem 10-61

10-61.

Recall that when you divide a number by itself, the quotient is 1. Can you find any factors that are in both the numerator and the denominator?

You can rewrite the expression.

Since there are three 5's on the top and on the bottom, which may be canceled out. Similarly, there are 8's that will cancel and 3's that will cancel.

3

Rewrite the expression and simplify.

(3*x*)(3*x*)(3*x*)(3*x*)

81*x*^{4}

You can rewrite this expression as:

See (a).