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8a+8b= 9x+9y+9z-9a=
3x+5x+2x= 3xa+5xa-2xa=
5x+10y-15a=
15a-7a=
12a-16b= REZOLVATI URGENT!!! VA ROG
18a-27b=
6x+6y-6z=
18x-12z+24t=
8xy-8xz=
50a-25a=


Răspuns :

8a+8b = 8×(a+b)
9x+9y+9z-9a = 9×(x+y+z-a)
3x+5x+2x = x×(3+5+2) = 10x
3xa+5xa-2xa = xa×(3+5-2) = 6xa
5x+10y-15a = 5×(x+2y-3a)
15a-7a = a×(15-7) = 8a
12a-16b = 4×(3a-4b)
18a-27b = 9×(2a-3b)
6x+6y-6z = 6×(x+y-z)
18x-12z+24t = 6×(3x-2z+4t)
8xy-8xz = 8x×(y-z)
50a-25a = 25a×(2-1) = 25a