Respuesta :

mamaeruna9

Answer:

510

Step-by-step explanation:

Group and factor out the greatest common factor (GCF), then combine.

TheUnknownScientist

Answer:

x = -1 or -4

Step-by-step explanation:

5x^2+ 25x + 20

take 5 as common

5(x^2 + 5x + 4)

x^2 + 5x + 4 = 0

x^2 + x + 4x + 4 = 0

x(x + 1) + 4(x + 1) = 0

(x + 1) (x + 4) = 0

x = -1 or -4