IDK but go to my pro file to help youuuuuuuuuuuuuuuuuuuuuuu
Explanation:
First you had to square from both sides of equation form.

Then you expanded form.



Solve by equation form.

Add by four from both sides of equation form.

Simplify.

Verified solutions.

Final answer: 
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie
Answer:
7x^2 -128x -19
Step-by-step explanation:
Answer:
i think the anwser is the third one c