Respuesta :

mathistrash1963

Answer:

Here is an actual answer.

(2x + z)(x + 2.5).

Step-by-step explanation:

In general, a quadratic equation in standard form is: ax2 + bx + c and other stuff I forget.Therefore, from 2x2 - bx -20, we obtain: (2x + z)(x + 2.5).