Answer:
2nd option
Explanation:
8 - 4x³ - x + 2 - (2 - 8x² - x + 10) ← distribute by - 1
= 8 - 4x³ - x + 2 - 2 + 8x² + x - 10 ← collect like terms
= 6 - 4x³ + 8x² - 8
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