Simplify the expression below. Assume all variables are nonnegative real numbers.

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Simplify the expression below. Assume all variables are nonnegative real numbers.

I’m trying to learn for my Algebra class and I’m stuck. Can you help?

Simplify the expression below. Assume all variables are nonnegative real numbers.
(Hint: Factor the polynomial).

square root of x squared plus 4 x space plus space 4 end root

A. open vertical bar x plus 2 x plus 2 close vertical bar

B. x plus 2 x plus 2

C. open vertical bar x plus 2 close vertical bar

D. x+2

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