Respuesta :

mkmkaleb

Answer:

x= 4, -7

Step-by-step explanation:

x^2+3x-28

x^2 multipled by -28 = -28

Which two numbers add up to 3 and multiply to -28?

-4 and 7

-4 + 7 = 3

-4 x 7 = -28

so

(x−4)(x+7)=0

4-4=0

-7+7=0