boydrocks3705 boydrocks3705 10-04-2018 Mathematics contestada Subtract these polynomials. (4x^2 – x + 6) – (x^2 + 3) = A. 5x^2 – x + 9 B. 4x^2 – 2x + 3 C. 4x^2 – 2x + 9 D. 3x^2 – x + 3