Respuesta :

1. 3x^2 + 3x + 0 
3x(x + 1)

2. 2x + 2
2(x + 1)


3x² + 3x

3*x*x + 3*x

3x( x + 1)


2x + 2

2*x + 2*1

2(x + 1)

Hope this explains it.