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Which of the following correctly completes the square for the equation below? x^2+2x=19 a. (x+2)^2=20 b. (x+1)^2=23 c. (x+1)^2=20 d. (x+2)^2=23
answered
Jan 17, 2017
Mathematics
high-school
4
votes
200k
views
How many sixth are equivalent to 1/2
answered
Feb 17, 2016
Mathematics
middle-school
4
votes
21.7k
views
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