(1 point)
Responses
3x2(3x4+5x2+4)
3 x squared open paren 3 x to the 4th power plus 5 x squared plus 4 close paren
3x2(3x3+5x2+4)
3 x squared open paren 3 x cubed plus 5 x squared plus 4 close paren
3x2(3x4+15x2+12)
3 x squared open paren 3 x to the 4th power plus 15 x squared plus 12 close paren
3x2(6x4+12x2+9)