Which of these is a correct expansion of (3x - 2) (2x2 + 5) ?
A. 3x • 2x2 + 3x • 5 + (-2) • 2x2 + (-2) • 5
B. 3x • 2x2 + 3x • 5 + 2 • 2x2 + 2 • 5
C. 3x • 2x2 + (-2) • 2x2 + 2x2 • 5 + (-2) • 5
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