Answer:
A = 3
B = -5
C = 2
Step-by-step explanation:
The way to format a quadratic equation is: 
, so the first step to solving this is to format it in the right way, where the 
comes first, the 
second, and the number alone.
After formatting, your equation should look like this: 
From here, you can see the the <em>a </em> is 3, the <em>b</em> is -5, and the <em>c </em>is 2
Answer: 56
Step-by-step explanation:
Answer: They show numerical value. You have to make them clear.
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
3 (b + a) = c
3 (4 + 5) = 7
12 + 15 = 7
27 = 7
27 - 7
20
100 divided by 2 equals to 50
