Ask Question
24 January, 07:24

What number must you add to complete the square x^2+2x=13

+5
Answers (1)
  1. 24 January, 10:34
    0
    You must halve the linear coefficient and then square it. In this case:

    (2/2) ^2=1 so you must add 1 to both sides of the equation ...

    x^2+2x+1=14 now the left side is a perfect square ...

    (x+1) ^2=14
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “What number must you add to complete the square x^2+2x=13 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers