Respuesta :
plug m=3 and p=10 into the expression:-
3(3)^2 + 2(10)^2 - 15
= 27 + 200 - 15
= 227 - 15
= 212
3(3)^2 + 2(10)^2 - 15
= 27 + 200 - 15
= 227 - 15
= 212