Elyseseller14viz Elyseseller14viz Math Answered what is the sum (4x² + 8x - 7) + (2x² - 5x - 12)?A. 6x² - 13x - 19B. 6x² + 3x - 19C. 6x2 + 3x + 19D. 6x² - 3x + 19