Respuesta :
Answer:
- 8x + 8
Step-by-step explanation:
(x - 3)² - (x + 1)² ← expand factors using FOIL
= x² - 6x + 9 - (x² + 2x + 1) ← distribute parenthesis by - 1
= x² - 6x + 9 - x² - 2x - 1 ← collect like terms
= - 8x + 8
Answer:
- 8x + 8
Step-by-step explanation:
(x - 3)² - (x + 1)² ← expand factors using FOIL
= x² - 6x + 9 - (x² + 2x + 1) ← distribute parenthesis by - 1
= x² - 6x + 9 - x² - 2x - 1 ← collect like terms
= - 8x + 8