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SOLUTION: HOW DO YOU SOLVE A QUADRATIC EQUATION BY COMPLETING THE SQUARE
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Question 589117
:
HOW DO YOU SOLVE A QUADRATIC EQUATION BY COMPLETING THE SQUARE
Answer by
josmiceli(13716)
(
Show Source
):
You can
put this solution on YOUR website!
I'll pick a random quadratic:
Set equal to zero to find roots
Get the constant term on the right side
by subtracting
from both sides
Divide both sides by
Now take 1/2 of the coefficient of
,
divide it by
, square it, and add it
to both sides
The left side will automatically become a perfect square
Now take the square root of both sides
and also, using the (-) square root,