Rearrange the polynomial:
a^2–2ab+b^2 - c^2
((a-b)(a-b))-c^2
(a-b)^2-c^2
Set x =a-b and y=c. The formula becomes
x^2-y^2
factoring this polynomial, we get
(x+y)(x-y)
Substituting back, we get:
(a+b+c)(a+b-c)
Let’s multiply it out to check:
A^2 -ab ac
- ab B^2 -bc
-ac bc -c^2
Answer:
The PTSD Checklist for DSM-5 (PCL-5) is a 20-item self-report ... The PCL-5 is a 20-item self-report measure that assesses the 20 DSM-5 symptoms of PTSD. ... It takes approximately 5-10 minutes to complete. ... Bliese, P. D., Wright, K. M., Adler, A. B., Cabrera, O., Castrol, C. A., & Hoge, C. W. (2008).
Step-by-step explanation:
Answer:
You would go 45 miles.
Step-by-Step Explanation:
If you are going 60 mph you would be going 1 mile per minute
This could be a parallelogram , a rhombus ( if all sides are equal) or a kite.