Register

What number would u add to complete the square ? x^2+22x=9

What number would u add to complete the square ? x^2+22x=9
176k views
1 vote
What number would u add to complete the square ? x^2+22x=9

User QuestionC
by
7.5k points

1 Answer

5 votes
To complete the square, take half of the coefficient of x, 22, square it, then add it to both sides of the equation.


x^2 + 22x = 9

22 / 2 = 11

11^2 = 121


x^2 + 22x + 121 = 9 + 121

x^2 + 22x + 121 = 130

Then you can go from there.
User Krish Allamraju
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!