(4) Reši: x2 + 10x +22 = 0 REŠITEV: x2 + 10x +22 = 0 x2 + 10x = -22 x2 + 10x + 25 = -22 + 25 (x + 5)2 = 3 (x + 5) = x = -5
(4) Reši: x2 + 10x +22 = 0
x2 + 10x +22 = 0 x2 + 10x = -22 x2 + 10x + 25 = -22 + 25 (x + 5)2 = 3 (x + 5) = x = -5