VRAE oor vraestel 1: Vierkantsvoltooing

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