Question

2х*х=3х или 2х(квадрат)

Answer 1

2x ( квадрат )
а 2x+x=3x

Answer 2

$2x^2=3x \ 2x^2-3x=0 \ x(2x-3)=0 \ x_1=0 \ \ 2x-3=0 \ 2x=3 \ x_2=1.5$