Answer:
11x² + 10x + 5
Step-by-step explanation:
= (4x² + 3x + 2) + (7x² + 7x + 3)
= 4x² + 3x + 2 + 7x² + 7x + 3
= 4x² + 7x² + 3x + 7x + 2 + 3
= 11x² + 10x + 5
