The polynomial is
.
The standard form of quadratic equation is
.
Compare the two equations:
and
.
Use complete the square algorithm method.
\Step 1: Find one half of the coefficient of
.
Find
.
(Substitute
)
Step 2: Square the result in step 1. \ \
\Find
.
(Substitute
)
(Evaluate powers:
)
Step 3: Add the result of step 2 to
.
Completing the square:
.
Add the result of step 2 to
.
.
Compare original polynomial and resultant polynomial.
\Thus,
.
.