Question

4x кватрате-3х-1=0
помогите пожалуйста

Answer 1

4x^2 - 3x - 1 =  0
D = 9 + 4*4 = 25
x1 = (3  + 5)/8 = 8/8 = 1
x2 = ( 3 - 5)/8 = - 2/8 =  - 1/4 = - 0,25

Answer 2

1/3x2-3x+9=0