The solution of 2x2 + x = 3 is shown below.
2x2 + x - 3= 0
(2x + 3)(x - 1) = 0
x = -1.5 or x = 1
Based on this work, the solution of the system of
equations is
{(-1.5, -6.5), (1,7)
{(-1.5, 9.5), (1,7)}
{(-1.5, 9.5), (1, 9)}