Answer:
- x
Step-by-step explanation:
If we expand the product.
Each term in the second factor is multiplied by each term in the first factor
x(x - 4) + 3(x - 4) ← distribute both parenthesis
= x² - 4x + 3x - 12 ← collect like terms
= x² - x - 12
The middle term of the product is - x
