afresirSirbailyrob afresirSirbailyrob 21-11-2016 Mathematics contestada Choose the correct simplification of (7x3 − 8x − 5) + (3x3 + 7x + 1). 10x3 − x − 4 10x3 + x + 4 4x3 − 15x − 6 4x3 + 15x + 6 ...?