liana1208 liana1208 17-12-2020 Mathematics contestada Which is the completely factored form of 12x^4 + 39x^3 + 9x^2? O 3x²(x – 3)(4x - 1) O 3x²(x + 3)(4x + 1) O 3x(x + 3)(4x + 1) O 3x(x - 3)(4x + 1)