SOLUTION: derive the quadratic formula by completing the square. ax^2 + bx + c = 0

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Question 1041025: derive the quadratic formula by completing the square.
ax^2 + bx + c = 0
Found 2 solutions by Edwin McCravy, ikleyn:
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!
Watch this video:
https://www.youtube.com/watch?v=6PLXDjTcwro

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
derive the quadratic formula by completing the square.
ax^2 + bx + c = 0
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See the lsson PROOF of quadratic formula by completing the square in this site.