Answer:
The answer is option D
Explanation:
( x + 4)( x² - 6x + 3)
Using the distributive property expand the expression
That's
x³ - 6x² + 3x + 4x² - 24x + 12
Group like terms
That's
x³ - 6x² + 4x² + 3x - 24x + 12
Simplify
We have the final answer as
x³ - 2x² - 21x + 12
Hope this helps you