(x+1/2)(2/7-x)=0 Help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2 bình luận về “(x+1/2)(2/7-x)=0 Help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!”

1. $#Draemon $

    

   

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2.         (x+1/2)(2/7-x)=0

   Th1: x+1/2=0

   => x=0-1/2

   => x=-1/2

   Th2: 2/7-x=0

   => x=2/7-0

   => x=2/7

   Vậy, x=-1/2 hoặc x=2/7

   $#2k10kaitokid$

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