Solution: The needed answer for first blank is 1 and the needed a for second blank is 1.
Explanation:
The given equation is .
The form of perfect square is .
The given equation can be written as .
To make the perfect square we can add or subtract in the given equation. Where, a is coefficient of and b is coefficient of x. In the parenthesis the coefficient of is 1 and coefficient of x is 2.
So, the given equation is written as
Therefore, the needed answer for first blank is 1 and the needed a for second blank is 1.