Answer:
Hi! The correct answer is 16!
Step-by-step explanation:
<em><u>~Use the formula (b/2)^2 in order to create a new term to complete the square~</u></em>
The answer to this is 5a-7
This will only have one solution because it does not deal with a quadratic. Then to isolate x you need to get the similar terms on different sides by subtracting or adding, Then divide both sides by the number next to x (coefficient).