alesyabursevich
22.04.2020 •
Mathematics
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
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Ответ:
D) -a² - a + 12
Step-by-step explanation:
(-a + 3)(a + 4)
= -a² - 4a + 3a + 12
= -a² - a + 12
Ответ:
9/28
The second doesn't simplify