How do you solve the quadratic 4x2+4=−29 using any method? Precalculus Linear and Quadratic Functions Completing the Square 1 Answer Anjali G Nov 23, 2016 4x2+4=−29 4x2=−33 x2=−334 x2=−8.25 x=±i√8.25 Answer link Related questions What does completing the square mean? How do I complete the square? Does completing the square always work? Is completing the square always the best method? Do I need to complete the square if f(x)=x2−6x+9? How do I complete the square if f(x)=x2+4x−9? How do I complete the square if the coefficient of x2 is not 1? How do I complete the square if f(x)=3x2+12x−9? If I know the quadratic formula, why must I also know how to complete the square? How do I use completing the square to describe the graph of f(x)=30−12x−x2? See all questions in Completing the Square Impact of this question 1519 views around the world You can reuse this answer Creative Commons License