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Solve the quadratic equation x2 + 12x + 20 = 0 by completing the square
x^2 + 12x + 20 = 0 x^2 + 12x + 36 - 16 = 0 (x + 6)^2 = 16 x + 6 = 4 or x + 6 = -4 x = -2 or x = -10
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Asked 1/7/2015 3:43:09 AM
Updated 1/7/2015 5:07:22 AM
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x^2 + 12x + 20 = 0
x^2 + 12x + 36 - 16 = 0
(x + 6)^2 = 16
x + 6 = 4 or x + 6 = -4
x = -2 or x = -10
Added 1/7/2015 5:07:22 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/7/2015 5:08:36 AM]
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