Texas Instruments TI-89 Titanium User Manual

Previews 71
Reducing Expressions
Factoring Polynomials
Steps and keystrokes Display
Reduce the expression (x
2
N2xN5)/(xN1) to its
simplest form. You can enter “propFrac” on
the entry line by typing
PROPFRAC on the
keyboard, or by pressing „ and selecting
7:propFrac(.
Press „ 7 c X Z 2 | 2 X | 5 d e c X |
1 d d ¸
Steps and keystrokes Display
Factor the polynomial (x
2
N5) with respect to x.
You can enter “factor” on the entry line by
typing
FACTOR on the keyboard or by
pressing „ and selecting
2:factor(.
Press „ 2 X Z 2 | 5 b X d ¸

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches