Respuesta :

Answer:

[tex]Area=24x^2-34x-45[/tex]

Step-by-step explanation:

Length and width of the yard are [tex](6x+5)[/tex] and [tex](4x-9)[/tex].

[tex]Area=length\times width\\\\Area=(6x+5)\times (4x-9)\\\\Area=24x^2+20x-54x-45\\\\Area=24x^2-34x-45[/tex]