Observe as duas listas de expressões :A) (x-3)² 1) x² - 9
B) (x + 3) (x - 3) 2) x² + 4x + 3
C) (x + 3)² 3) x² - 6x + 9
D) (x + 3) (x + 1) 4) x² + 6x + 9

as expressões equivalentes são:

a) A-1 B-2 C-4 D-3
b) A-2 B-3 C-4 D-1
c) A-4 B-1 C-3 D-2
d) A-4 B-2 C-3 D-1

OBS____ PRECISO DOS CALCULOS
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