clozzzano clozzzano 03-05-2020 Mathematics contestada Simplify (5x3 + 7x - 8) + (2x3 – 5x2 - x + 3). Choose the standard form of the answer. © A. 7x2 + 6x – 5x2 - 5 o B. 7x3 – 5x2 + 6x – 5 o C. 7x3 - 5x2 + 6x + 5 D. 7x3 - 5x2 + 8x - 5 Thank you