Respuesta :

Answer:

[tex]10b^2-2b-6[/tex]

Step-by-step explanation:

Perimeter is 2(A+B)

[tex]5b^{2} -3b+2+2b-5\\5b^{2} -b-3\\2(5b^2-b-3)\\10b^2-2b-6[/tex]