a) -2 e -4
(x + 3)² = 1
x² + 6x + 9 -1 = 0
x² + 6x + 8 = 0
delta—.> 36 – 32 = 4
Vdelta—> V4 = 2
x’ = (-6+2)/2 = – 2
x”= (-6-2)/2 = – 4
a) -2 e -4
(x + 3)² = 1
x² + 6x + 9 -1 = 0
x² + 6x + 8 = 0
delta—.> 36 – 32 = 4
Vdelta—> V4 = 2
x’ = (-6+2)/2 = – 2
x”= (-6-2)/2 = – 4