Answer:
Explanation:
The expression (3x - 40)° (2x + 23)° represents the product of two angles, (3x - 40)° and (2x + 23)
(3x - 40)° (2x + 23)° = (3x - 40)(2x + 23)°
3x - 40)(2x + 23)° = 3x(2x + 23) - 40(2x + 23)°
3x(2x + 23) - 40(2x + 23)° = 6x² + 69x - 80x - 920
6x² + 69x - 80x - 920 = 6x² - 11x - 920
simplified expression of (3x - 40)° (2x + 23)° is 6x² - 11x - 920.