Respuesta :

ujalakhan18

Answer:

[tex]\huge\boxed{\sf 25x\² + 30x + 9}[/tex]

Step-by-step explanation:

Given expression:

= (5x + 3)²

We can also write it as:

= (5x + 3)(5x + 3)

= 5x(5x + 3) + 3(5x + 3)

= 25x² + 15x + 15x + 9

= 25x² + 30x + 9

[tex]\rule[225]{225}{2}[/tex]