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efectuati scotand factor comun :
( -2 ) x ( + 8 ) - ( -2 ) x ( + 5 )=


Răspuns :

( -2 ) x ( + 8 ) - ( -2 ) x ( + 5 ) =
( -2 ) x ( 8 - 5) =
( -2 ) x 3 =
= ( -6 )
( -2 ) x ( + 8 ) - ( -2 ) x ( + 5 )=
(-2)*(8-5)=
=(-2)*3=-6