Question

2x^+x-4=0 solve it's by completing the square ​

Answer 1

2x  

2

+x−4=0

Compairing with ax  

2

+bx+c=0

a = 2 b = 1 c = -4

∴  

2a

−b±  

b  

2

−4ac

​  

 

​  

 

=  

2×2

−1±  

1  

2

−4×2(−4)

​  

 

​  

 

4

−1±  

33

​  

 

​  

 

∴x=  

4

−1+  

33

​  

 

​  

 OR x=  

4

Step-by-step explanation:

Answer 2

Answer:

hope it helps....