Question

3x^2+5x-2=0 уравнения

Answer 1

3x^2+6x-x-2=0
3x(x+2)-(x+2)=0
(x+2)(3x-1)=0
[x+2=0     x=-2
[3x-1=0     x=1/3
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Удачи!

Answer 2

$3 x^{2} +5 x-2=0 \\ D=49 \\ \sqrt{D} =7 \\ x_{1} = \frac{1}{3} \\ x_{2} =-2$