221k views
3 votes
Solve the quadratic equation by completing the square.

x^2+18x+76=0

First, choose the appropriate form and fill in the blanks with the correct numbers.
Then, solve the equation. Round your answer to the nearest hundredth.
If there is more than one solution, separate them with commas.
Form:

(x+_)^2=_

(x-_)^2=_
Solution:
x=_

1 Answer

3 votes
use the formula (b/2)^2 in order to create a new term. Solve x by using this term to complete the square. 
User Bshears
by
7.8k points

No related questions found