Answer:
6x² - 17x - 45
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor
(2x - 9)(3x + 5)
= 2x(3x + 5) - 9(3x + 5) ← distribute both parenthesis
= 6x² + 10x - 27x - 45 ← collect like terms
= 6x² - 17x - 45