Question

Решите уравнение 3х^2-х-2=0

Answer 1

D=1+24=25=5²
x₁=(1+5)/3*2=6/6=1
x₂=(1-5)/3*2=(-4)/6=-2/3

Answer 2

3x²-x-2=0, D=b²-4ac, D=(-1)²-4*3*(-2)=1+24=25
x1=(1-5)/6=-2/3, x2=(1+5)/6=1