Respuesta :

Answer:

All we need to do is find the value of x to solve:

14x+6/3=-8+4x

14x+6=-24+12x

2x+6=-24

2x=-30

x=-15

-3x^2-7

-3(-15^2)-7

-3(225)-7

-675-7

-682

Step-by-step explanation: