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a fost răspuns

Va rog rapid!!!!
d) (3x+4) (x-y)+(x-y) (x+1)
e) x ( b-c)+y (c-b)-z (b-c)
f) 2 (p-1)la 2-4q (p-1)
g) 4a la 2 (b la 2- 2)+2ab (b la 2-2)
h) a (b-1)+c(1-b)-b+1