Question

Solve
(x+3)*(x-2)-x*x=4

Answer 1

(x+3) * (x-2) - x * x = 4
x(x-2) +3(x-2) - x * x = 4
{x}^{2} -2x + 3x - 6 - {x}^{2} = 4
x - 6 - 4 = 0
10 = x
i.e. x = 10