Respuesta :

No need to do it, won't help you in life.


2x^2 + 9x - 5 = 0 
2x^2 + 10x - x - 5 = 0 
2x(x + 5) - 1(x + 5) = 0 
(2x - 1)(x + 5) = 0 
x = 1/2, x = -5