Solving the expressions
we get 
Step-by-step explanation:
We need to Solve the expression: 
Solving:


Applying exponent rule: 

Another exponent rule says: 

So, solving the expressions
we get 
Keywords: Solving Exponents
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Answer: The correct option is (c) 
Step-by-step explanation: We are given to solve the following quadratic equation by the method of completing the square:

Also, we are to find the constant added on both sides to form the perfect square trinomial.
We have from equation (i) that

So,

Thus, the required solution is
and the value of the constant added is 
Option (c) is correct.
Step-by-step explanation:
.......................................................... (2×3)+(6×3)
The answer is -2 because the the next one is -3