Relax

Respuesta :

Answer:

-40s^2+8s+3

Step-by-step explanation:

use the foil method to multiply out 4s*-10s, 4s*-3, -10*-10s, and -10*-3 and then simplify

Answer:

s=15/47

Step-by-step explanation:

+100s+30-4s=94s+30

94s=30

s=30/94 = 15/47