SOLUTION: Complete the square: x^2+2x+9. Enter your answer in the form a(x+u)^2+v, where a, u, and v are replaced by numbers. I am confused on how to complete the square on this proble

Question 1171922: Complete the square: x^2+2x+9.
Enter your answer in the form a(x+u)^2+v, where a, u, and v are replaced by numbers.
I am confused on how to complete the square on this problem.
Answer by ikleyn(52779) (Show Source): You can put this solution on YOUR website!
.


    x^2 + 2x + 9 = grouping / regrouping = (x^2 + 2x + 1) + 8 =  + 8.


    a = 1, u = 1, v = 8.

Solved, answered and explained.

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