Factorizing expressions, Example, Factorizing expressions -13 – HP 49g Graphing Calculator User Manual

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Factorizing expressions

You use the FACTOR command to factorize an expression. As with

EXPAND, you can factorize an entire expression, or components of the
expression.

Example

This example factorizes the following cubic polynomial expression:

5a-“-8a:-20

1. Open the Algebra command list and select

FACTOR.

2. With the cursor positioned between the

parentheses, open Equation Writer, create
the expression, and press (ENTER) to place it

on the command line between the

parentheses.

3. Press (ENTER) to factorize the expression.

P.ftD HYZ HEH R=

ALO

FfiCTORi )

fiAD HYZ HEK P.= 'K‘

ALG

•IHOHE]-

■ *! 2*;>;''-:3+5*X-''-2-

S*X-20}

FiSti KVZ HEK R=

iHdHEJ

: FflCT0Rl.2.i-;'" +5.:>;

(X+2).(2.K+5).C:-;-2:i

Working with expressions

Page 5-13