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ajutor urgent , matematica m2


Ajutor Urgent Matematica M2 class=

Răspuns :

Răspuns:

x^2+8=6x

x^2+8-6x=0

x^2-6x+8=0

delta= b^2-4ac

delta= 36-4×1×8

delta=36-32

delta=4

x1= -b-rad delta/2a= -(-6)-2/2= 4/2=2

x2= -b+rad delta/2a= -(-6)+2/2= 8/2=4