VRAE oor vraestel 1: Vierkantsvoltooing

$text Herskryf die volgende uitdrukking met behulp van vierkantsvoltooiing end text minus 3 x squared plus 5 x minus 9$

(Edited by Marna Zuhlsdorff - original submission Monday, 10 February 2020, 5:15 PM)

by Marna Zuhlsdorff - Monday, 10 February 2020, 2:02 PM

Hi Beth
Baie dankie vir jou vraag.

Hierdie som werk amper soos die tweede voorbeeld van uitdrukking met vierkantsvoltooiing - click hier as jy die video weer wil kyk.

table row cell negative 3 x squared plus 5 x minus 9 equals negative 3 open square brackets x squared minus 5 over 3 x plus 9 over 3 close square brackets end cell blank row cell equals negative 3 open square brackets x squared minus 5 over 3 x plus open parentheses 5 over 3 close parentheses squared minus open parentheses 5 over 3 close parentheses squared plus 3 close square brackets end cell blank row cell equals negative 3 open square brackets open parentheses x minus 5 over 3 close parentheses squared plus 3 close square brackets end cell blank row cell equals negative 3 open parentheses x minus 5 over 3 close parentheses squared plus 9 end cell blank row cell Minimum colon y equals 9 space waar space x equals 5 over 3 end cell blank end table