we have

Find the roots
Equate the function to zero

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Complete the square. Remember to balance the equation by adding the same constants to each side.


Rewrite as perfect squares

Square root both sides




therefore
<u>the answer is</u>

Answer:
5.5 or 22/4
Step-by-step explanation:
Pi stands for π which is equal to 22/7
Hence;
(7×22/7)÷4
=22/4 which is equal to 5.5 in decimal
Answer:
7
Step-by-step explanation:
Answer:
-18/3
Step-by-step explanation:
Answer: 12
Step-by-step explanation:
You would take 3+5=8
And then 20-8=12