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annaclark336 annaclark336
  • 05-01-2016
  • Mathematics
Answered

Solve x 2 + 8x + 8 = 0 by completing the square.

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 05-01-2016

x^2+ 8x+ 8= 0
⇒ (x+4 -2√2)(x+ 4+ 2√2)= 0
⇒ x= -4+ 2√2 or x= -4 -2√2

Final answer: x= -4+ 2√2 or x= -4 -2√2

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