Question

3х^2+4х-4=0 решите уравнения

Answer 1

a=3 b=4 c= -4
D= b^2 - 4ac = 16 + 48 = 64
x1 = (-B + √D)/2a = 4/6 = 2/3
x2 = (-b - √D) /2a = -12/6 = -2