What is the x-value of the vertex?

f(x)=(x+2)2−1
x-value of the vertex:

Step-by-step explanation:

f(x) = (x+2)(2-1)

= x(2-1)+2(2-1)

= 2x-x + 4-2

= 2x - x + 2

45

step-by-step explanation:

this is a very good question

step-by-step explanation:

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