nshdkdb nshdkdb

14-06-2016
Mathematics

contestada

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

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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

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alfonsochamp13 alfonsochamp13

02-10-2019

Answer:

answer is A

Step-by-step explanation:

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