Hp 49g Graphing Calculator Manual do Utilizador descarregar pdf (Página 123)

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.

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

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Hp 49g Graphing Calculator Manual do Utilizador Página 123