### Home > PC > Chapter 10 > Lesson 10.1.1 > Problem10-8

10-8.

Expand $( 2 x - \frac { 1 } { x } ) ^ { 5 }$.

Review the Math Notes box in Lesson 7.2.4.

The 5th row of Pascal's Triangle is $1\: \:5\:\: 10\:\: 10\:\: 5 \:\:1$.

$32x? \:\:? \:\:80x^3 + ...$