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15-11-2018
Mathematics

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Solve by Completing the Square x^2 + 8x – 2 = 0

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15-11-2018

x^2+8x ____ = 2

x^2+8x+16=2

(x+4)^2 =2

Square root both sides

x+4=square root of (2)

subtract four form both sides

x= square root of (2) - 4

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