Hej!
2(3x + 5) = 2 * 3x + 2 * 5 =
= 6x + 10 = 6 * (-2) + 10 = -12 + 10 = -2
Pozdrawiam! - Julka
Odpowiedź:
2(3 • (-2) + 5) = 2(-6 + 5) = 2 • (-1) = -2