marcosalvarado730 marcosalvarado730 08-12-2022 Mathematics contestada Name Jeremian 1. What is Combine like terms. (3x7 + 7x² − 3x² + 7) + (x² − 3x³ + 2x³ + 3)? A 4x² + 4x + 2x³ - 3x² + 10 B 4x + 10x + 2x³ - 3x² + 10 3x³+4x5-x³ + 10 D3x³ + 10x5-x³ + 10 7. V (18 8.