Write the following absolute value expression as piecewise expression.?


Find out where it equals zero.
x^2 +4x +4 = 0
(x+2)^2 = 0
x+2 = 0
x = -2

This is where you would normally divide it up, but this is a special case.
Since (x+2)^2 is never negative, you don't actually need the absolute value bars.
|x^2 +4x +4| = x^2 +4x +4

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