Question

$3 x^{2} +5x-2=0$

Answer 1

3x²+5x-2=0
D=25+24=49
x1=(-5-7)/6=-2
x2=(-5+7)/6=1/3

Answer 2

3x^2+5x-2=0
D=5^2-4*3*(-2)=49
x1,2=(-5+-√49)/(2*3)=(-5+-7)/6
x1=(-5-7)/6=-2
x2=(-5+7)/6=2/6=1/3
Ответ: -2, 1/3.