Resposta :
A = {1, 3, 5, 7, 9, ...}
B = {0, 1, 2, 3, 4, 5, 6, 7}
C = {6, 12, 18, 24, 30, ...}
D = {-5, 5}
x² - 25 = 0
x² = 25
x = √25
x = ± 5
A = {1, 3, 5, 7, 9, ...}
B = {0, 1, 2, 3, 4, 5, 6, 7}
C = {6, 12, 18, 24, 30, ...}
D = {-5, 5}
x² - 25 = 0
x² = 25
x = √25
x = ± 5