Respuesta :

Answer:

[tex]perimeter = ( {2x}^{2} + 3x + 7) + ( {x}^{2} + 5) \\ = (3 {x}^{2} + 3x + 12) \: units[/tex]

Answer:

[tex]P=6x^2+6x+24[/tex]

Step-by-step explanation:

[tex]P=2w+2l\\\\w=x^2+5\\\\l=2x^2+3x+7\\\\P=2(x^2+5)+2(2x^2+3x+7)[/tex]