x2 + 2x - 3 = 0 Usando la formula completa: -2 ![]() ![]() x1,2 = -------------------------- 2 -2 ![]() ![]() x1,2 = ------------------ 2 -2 ![]() ![]() x1,2 = ------------------ 2 -2 ![]() x1,2 = ------------- 2 x1 = 1 x2 = -3 oppure usando la formula ridotta: x2 + 2x - 3 = 0 -1 ![]() ![]() x1,2 = -------------------------- 1 x1,2 = -1 ![]() ![]() x1,2 = -1 ![]() ![]() x1,2 = -1 ![]() x1 = 1 x2 = -3 |