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Complete the square to transform the expression x^2 + 4x + 2 into the form a(x - h)^2 + k.

 Mar 15, 2020
 #1
avatar+108 
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I think it is (x+2)^2 - 2

 Mar 15, 2020
 #2
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x2 + 4x +2

(x2 + 4x      ) + 2

(x2 + 4x + 4) + 2 - 4

(x + 2)2 - 2

a = 1   

h = -2

k = -2 

 Mar 15, 2020

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