SOLUTION: Hello, I need help please. Expand (squrrtC + squrrtD)^2 and simplify. Assume c≥0 and d≥0 It seems simple, but I am not understanding how to work this one.

Algebra ->  Radicals -> SOLUTION: Hello, I need help please. Expand (squrrtC + squrrtD)^2 and simplify. Assume c≥0 and d≥0 It seems simple, but I am not understanding how to work this one.       Log On


   

Question 768976: Hello,
I need help please.
Expand (squrrtC + squrrtD)^2 and simplify. Assume c≥0 and d≥0
It seems simple, but I am not understanding how to work this one.
Answer Options:
A. |c| + 2|cd| + |d|
B. c + 2 sqrrt cd + d
C. c^2 + 2cd + d^2
D. c^2 - d^2
Found 2 solutions by solver91311, oscargut:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Re-write:

Now follow the pattern:

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism

Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
Answer is B
You can ask more at: mthman@gmail.com
Thanks