Answer:
8.3 (nearest tenth)
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
= -4 x (-5) - 2
= 20 - 2
= 18
Answer: 
Step-by-step explanation:
Given the following Quadratic equation:

You can change its formed by Completing the square.
In order to do Complete the square, you can follow these steps:
1. You can identify that:

2. Then, you can find
. This is:

3. Now you must add
to both sides of the Quadratic equation in order to keep the balance. Then:

4. Finally, simplifying by actoring and adding the like terms, you get:
