Respuesta :

TheAnimeGirl

Answer

[tex] \boxed{\mathsf{3x(x + 3)}}[/tex]

Step by step explanation

[tex] \mathsf{3 {x}^{2} + 9x}[/tex]

Take 3x as common

⇒[tex] \mathsf{3x(x + 3)}[/tex]

Hope I helped!

Best regards!

favourgilbert2001

Answer:

Step-by-step explanation:

Factor 3x out of 3x^2=3x(x)-9x=Factor 3x out of 9x=3x(x)+3x(-3)=factor 3x out of 3x(x)+3x(-3). =3x(x-3).