thank you and please show work so i know how to complete it on my own. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! This can be done by the method
known as
-completing the square-
Take of the coefficient of
the term, square it, then
add the results to both sides
-------------------------------
But first, I have to get the constant
term on the other side. Subtract
from both sides
Now complete the square
With this method, the left side always ends up
being a perfect square. In this problem, both
sides are a perfect square
Now take the square root of both sides,
both the (+) and (-) square root
and and are the roots of the polynomial
To factor ,
and
The factoring is: