Respuesta :
Plug 3 in for X in the equation.
3(3)^2 + 5(3) +25=
3(9) + 15 +25=
27+15+25=
42+25=
67
So when x=3, the value is 67
3(3)^2 + 5(3) +25=
3(9) + 15 +25=
27+15+25=
42+25=
67
So when x=3, the value is 67