Answer:
(2x+7) + (4x+1)
Step-by-step explanation:
(3-2x+4) + (4x-5+6)
3 - 2x + 2x² + 4x - 5 + 3x²
2x² + 3x² -2x + 4x +3 -5
= 5x² + 2x -2
