Răspuns :
a) | x | = 17 x 1 = 17 x2 = - 17
b) (x+2)² = 9 | (x+2) | = 3 x+2 = 3 x1 = 1 x+2 = - 3 x2 = - 5
b) (x+2)² = 9 | (x+2) | = 3 x+2 = 3 x1 = 1 x+2 = - 3 x2 = - 5