major issues with completing the square question

Nov 2008
117
0
windsor ont cAN
IMG_1304.jpg

right side up complete the square.jpg

For question 23, completing the square, I don't understand where i went wrong. Was I suppose to get half of 5 and square it ?(Punch)
 

topsquark

Forum Staff
Jan 2006
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Wellsville, NY
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HallsofIvy

MHF Helper
Apr 2005
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And the answer is not "x= " anything, it is "t= "!