Question 102546
Solve each equation for x. Factor the left-hand side
x² +4x + 4 =7 

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(x^2)^2 = 7
(x+2)^2-(sqrt7)^2 = 0
Factor:
(x+2-srt7)(x+2+sqrt7)=0
x=-2+sqrt7 or x= -2-sqrt7
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Cheers,
Stan H.