Answer:
Look at the attachment
To simplify: -2x² + 2 + 5x³
Step-by-step explanation:
Rewrite the question to (2x² +4 -x³) + (-4x² -2 + 6x³)
(2x² +4 -x³) + (-4x² -2 + 6x³)
-2x² + 4 -x³ + (- 2 + 6x³)
-2x² + 2 -x³ + (6x³)
-2x² + 2 + 5x³
