Multiply 5x^2-6x+9 by 2x-3.

(2x - 3) (5x- 6x + 9) = (2x) (5x2) - (2x) (6x) + (2x) (9) - 3(5x2) + 3(6x) - (3) (9)
                                  = 10x- 12x+ 18x - 15x+ 18x - 27
                                 = 10x3 - 27x+ 36x - 27

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