Answer: b) 2x² - 5x - 3
Explanation:
Distribute each term in the first parenthesis into the second term and then add like terms.
(2x + 1)(x - 3)
= 2x(x - 3) + 1(x - 3)
= 2x² - 6x + x - 3
= 2x² - 5x - 3
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