Which expression shows the result of distributing each term of $(x+3)$ to $(x^2 - 2x + 4)$ before combining like terms?

$(x^3 - 2x^2 + 4x) + (3x^2 - 6x + 12)$

$(x^3 + 2x^2 + 4x) + (3x^2 + 6x + 12)$

Multiplying Polynomials Practice — Grade 10 math