Question

solve the quadratic equation 2x sq + ax - a sq = 0 for x using quadratic formula​

Answer 1

Answer:

Step-by-ste2x  

2

+ax−a  

2

=0

Here, a=2,b=a and c=−a  

2

 

Using the formula

x=  

2a

−b  

b  

2

 

​  

−4ac

​  

⇒x=  

2×2

−a±  

a  

2

 

​  

−4×2×−a  

2

 

​  

=  

4

−a±  

9a  

2

 

​  

 

​  

=  

4

−a±3a

​  

 

⇒x=  

4

−a+3a

​  

=  

2

a

​  

.x=  

4

−a+3a

​  

=−a⇒x=  

2

a

​  

,−ap explanation: