Two companies working together can clear a parcel of land in 7 hours. working alone, it would take company a 4 hours longer to c
1 answer:
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Answer:
A
Step-by-step explanation:
Given
-4x²(5 - 3x² + x - 2)
Multiply each term in the parenthesis by - 4x²
= - 20 + 12
- 4x³ + 8x²