Answer:
Step-by-step explanation:
Given function
- f(x) = x³ - 4x² - 20x + 48 with one root of x = 6
Finding other factors, considering (x - 6) is the factor
- x³ - 4x² - 20x + 48 =
- x³ - 6x² + 2x² - 12x - 8x + 48 =
- (x - 6)(x² + 2x - 8) =
- (x - 6)(x² - 2x + 4x - 8) =
- (x - 6)(x - 2)(x + 4)
