- Quadratic Formula:  , with a = x^2 coefficient, b = x coefficient, and c = constant , with a = x^2 coefficient, b = x coefficient, and c = constant
With our equation, plug in the values:

Next, solve the exponent and multiplications:

Next, solve the subtraction:

Next, factor out i (i = √-1):

Next, solve the square root:

Lastly, divide and <u>your answer is:</u>

 
        
                    
             
        
        
        
It is a knowledge check 
On aleks
        
             
        
        
        
<h2>approximately 93 million miles  Definition of astronomical unit. For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It's approximately 8 light-minutes.</h2>
        
             
        
        
        
-5^7/-5^2=5^7/5^2= 5^(7-2)=5^5 this is the answer