Question

!!PLEASE HELP I WILL MARK YOU BRAINLIEST!!!
In this unit you have learned about several different ways to solve quadratic equations. How do you determine which method to use when you’re trying to solve a quadratic equation?

Answer 1

Answer:

You will use this formula x= -b +

$x = - b + \sqrt{ { \: - 4ac}^{?} }$

Step-by-step explanation:

4n

${?}^{?}$

so you want to do n to the second power minus and minus 39 equals 0 so you using the quadratic formula