mathCAT304 mathCAT304 28-01-2022 Mathematics contestada Simplify. (3x^3 + 2x^2 + 10) + (3x^3 + 2x^2 + 10x) A) 3x^3 + 2x^2 + 10x + 10 B) 6x^3 + 4x^2 + 20x C) 6x^3 + 4x^2 + 10x + 10 D) 9x^3 + 4x^2 + 100x