Respuesta :

Answer: C Or the third answer

Step-by-step explanation:

You square root it and get x+b/2a=±(√b^2-4ac)/√4a^2 which is the third answer or c

Answer:

Third option

Step-by-step explanation:

(x + b/2a)² = (-4ac + b²)/4a²

Square root both sides

x + b/2a = +/- sqrt(b² - 4ac)/sqrt(4a²)