If p = 4x3 + x - 2, q = x2 - 1, and r = 3x - 5, then what is 2p - (q + r)?
A. 7x3 - x + 2
B. 8x3 - x2 - x + 2
C. 8x3 - x2 - x - 10
D. 8x3 - x2 + 5x - 8
Answer:B
If p = 4x3 + x - 2, q = x2 - 1, and r = 3x - 5, then what is 2p - (q + r)?
A. 7x3 - x + 2 B. 8x3 - x2 - x + 2 C. 8x3 - x2 - x - 10 D. 8x3 - x2 + 5x - 8
Explanation: B