SOLUTION: can you please help me to answer this queation its all abot the completing square x2-8x+15=0

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Question 185789: can you please help me to answer this queation its all abot the completing square x2-8x+15=0
Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!

take half of 8 to get 4. then square that to get 16. Then add 16 to both sides


Take square root of both side
(x-4) = 1 or (x-4) = -1
x = 5 or x = 3
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