Before we proceed to learning the advanced form of completing the square, you might be interested to read our previous EduBlog post on the basic form of completing the square
![](https://static.wixstatic.com/media/d2fd66_da0b3616449c47418a4b7b6225b9ae4e~mv2.jpg/v1/fill/w_980,h_278,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/d2fd66_da0b3616449c47418a4b7b6225b9ae4e~mv2.jpg)
![](https://static.wixstatic.com/media/d2fd66_6dc6486769f44f8583b4f181258e9d40~mv2.jpg/v1/fill/w_980,h_453,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/d2fd66_6dc6486769f44f8583b4f181258e9d40~mv2.jpg)
Next, we can complete the square inside the brackets. On my previous edublog post on “how to complete the square”, I have shown the steps to complete the square. So we are going to use the same method to work on it.
![](https://static.wixstatic.com/media/d2fd66_02574e15e83a42bbaf16c536c494bd4a~mv2.jpg/v1/fill/w_724,h_238,al_c,q_80,enc_avif,quality_auto/d2fd66_02574e15e83a42bbaf16c536c494bd4a~mv2.jpg)
Once we complete the square inside the “blue” brackets, bring the “2” inside the bracket by expanding.
![](https://static.wixstatic.com/media/d2fd66_51e7c86b99334180b9c40122b0d20256~mv2.jpg/v1/fill/w_451,h_120,al_c,q_80,enc_avif,quality_auto/d2fd66_51e7c86b99334180b9c40122b0d20256~mv2.jpg)
Here you go!
On our next edublog post, we're going to show you how to solve these equations! Hope to see you there.
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