Răspunsuri

2014-06-22T12:37:05+03:00
-2(m+2)²=32

-(m+2)²= 16

-(m+2)²-16=0

-[(m+2)-4][(m+2)+4]=0

-(m-2)(m+6)=0

(m+2)(m-6)=0

m+2=0   ∧  m-6=0
m= -2          m=6