Respuesta :

VectorFundament120

Answer:

[tex] \boxed {y =3 {x}^{2} + 8x + 15}[/tex]

Step-by-step explanation:

[tex]y = 3(x + 3)(x + 5)[/tex]

Expand/Distribute x+3 in x+5

[tex]y = 3( {x}^{2} + 8x + 15)[/tex]

Distribute 3 in the expression.

[tex]y = 3 {x}^{2} + 24x + 45[/tex]