nshdkdb nshdkdb
  • 14-06-2016
  • Mathematics
contestada

Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?

Respuesta :

Monicajls Monicajls
  • 14-06-2016
x2+12x+11=0
x2+12x+(12/2)^2-(12/2)^2+11=0
(x+6)^2-36+11=0
(x+6)^2=25
(x+6)=+-5
x= +5-6 or -5-6
= -1 or- 11
Answer Link
alfonsochamp13 alfonsochamp13
  • 02-10-2019

Answer:

answer is A

Step-by-step explanation:

Answer Link

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