\[y = 2x^{2} + 3x\]
\[Пересечение\ с\ осью\ x:y = 0.\]
\[0 = 2x^{2} + 3x\]
\[x(2x + 3) = 0\]
\[x = 0;\ \ x = - 1,5.\]
\[Точки\ A(0;0);\ \ B( - 1,5;0).\]