Răspuns:
Explicație pas cu pas:
√(5x-2)² = 8 <=> I 5x-2I = 8 =>
5x - 2 = 8 => 5x = 8+2 => 5x = 10 => x = 2
2 - 5x = 8 => 5x = 2-8 => 5x = -6 => x = -6/5