Answer: 
The values are a=1 b=10 c=25 and solving the expression we get x=-5 
Step-by-step explanation: 
Given equation; 
 
Solution: 
The above equation can be written as 
 
This equation is in the form of 

 is the general quadratic equation. 
Comparing the above equation we get 
A=1, B=10 and C=25 
To find value of “x” we use the formula as 
=
 
Substitute the values of a, b and c in the above equation we get 
=
 
=
 
=

=
 
=-5 
Results: 
Thus the values are A=1, B=10, C=25 and X=-5