SOLUTION: What is the sum of the roots of the equation ax^2 + bx + c =0

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Question 432561: What is the sum of the roots of the equation ax^2 + bx + c =0
Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
From the quadratic formula, the roots are:
x+=+%28-b+%2B+sqrt%28b%5E2+-+4ac%29%29%2F2a and x+=+%28-b+-+sqrt%28b%5E2+-+4ac%29%29%2F2a
These can be written as -b%2F2a+%2B+sqrt%28b%5E2-4ac%29%2F2a and -b%2F2a+-+sqrt%28b%5E2-4ac%29%2F2a
Summing the two roots gives:
-b%2F2a+-+b%2F2a = -b%2Fa