What is the product of (-a + 3)(a + 4)? (help ASAP please!!)

A) a 2 - a + 12
B) a 2 - a - 12
C) -a 2 - a - 12
D) -a 2 - a + 12

Respuesta :

Answer:

D) -a² - a + 12

Step-by-step explanation:

(-a + 3)(a + 4)

= -a² - 4a + 3a + 12

= -a² - a + 12