1.

Given that (5x – 3)3 + (2x + 5)3 + 27(4 – 3x) 3 = 9(3 – 5x) (2x + 5) (3x – 4), then the value of (2x + 1) is:

A. 13
B. -15
C. 15
D. -13
Answer» D. -13


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