If a~b = √(a + b), what does (x² + 4x)~4 simplify to?

can you solve this for me it would be great help if you did!
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1 Answer

x^2+4x replaces a and 4 replaces b giving sqrt(x^2+4x+4)=sqrt(x+2)^2=x+2.
by Top Rated User (1.2m points)

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