Previously, you have learned how to express the equation in completing the square forms in both basic form and advanced form. In today's EduBlog's post, we will take a step further to finally learn how to solve it!
Type 1:
![](https://static.wixstatic.com/media/d2fd66_c4c15cab2d3b44d9b5adf227ef9ef7d1~mv2.jpg/v1/fill/w_980,h_258,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/d2fd66_c4c15cab2d3b44d9b5adf227ef9ef7d1~mv2.jpg)
First, move -9 over to the other side, then square root both sides
![](https://static.wixstatic.com/media/d2fd66_9e832fa38e954ae980fb02abe93ddf99~mv2.jpg/v1/fill/w_980,h_646,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/d2fd66_9e832fa38e954ae980fb02abe93ddf99~mv2.jpg)
Type 2:
![](https://static.wixstatic.com/media/d2fd66_a84e381faa7d40ea8a01acb422ff30cf~mv2.jpg/v1/fill/w_980,h_192,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/d2fd66_a84e381faa7d40ea8a01acb422ff30cf~mv2.jpg)
First, move the -8 over to the other side, then divide by 2 on both sides
![](https://static.wixstatic.com/media/d2fd66_7a63295323f042368fdf3c5d936f7831~mv2.jpg/v1/fill/w_980,h_699,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/d2fd66_7a63295323f042368fdf3c5d936f7831~mv2.jpg)
There you have it, we have finally concluded our three-part completing the square series. Hope you find it useful!
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