Question

find the product
$( {3x}^{2} + 5x - 9)(3x - 9)$
​

Answer 1

Answer :-

(3x²+ 5x – 9) (3x – 9)

3x (3x² + 5x – 9) – 9 (3x² + 5x – 9)

9x³ + 15x² – 27x – 27x² – 45x + 81

9x³ - 12x² - 72x + 81