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

User Voithos
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2 Answers

3 votes

Answer:

answer is A

Explanation:

User GameDroids
by
7.7k points
1 vote
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
User Dhanesh
by
8.6k points

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